| 1 | McKean County, Pennsylvania | 42083 | 1.66 |
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| 2 | Cameron County, Pennsylvania | 42023 | 1.76 |
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| 3 | Venango County, Pennsylvania | 42121 | 1.95 |
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| 4 | Elk County, Pennsylvania | 42047 | 2.01 |
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| 5 | Cambria County, Pennsylvania | 42021 | 2.07 |
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| 6 | Warren County, Pennsylvania | 42123 | 2.11 |
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| 7 | Clearfield County, Pennsylvania | 42033 | 2.20 |
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| 8 | Forest County, Pennsylvania | 42053 | 2.21 |
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| 9 | Schuylkill County, Pennsylvania | 42107 | 2.24 |
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| 10 | Greene County, Pennsylvania | 42059 | 2.26 |
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| 11 | Jefferson County, Pennsylvania | 42065 | 2.38 |
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| 12 | Lawrence County, Pennsylvania | 42073 | 2.38 |
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| 13 | Armstrong County, Pennsylvania | 42005 | 2.42 |
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| 14 | Mifflin County, Pennsylvania | 42087 | 2.45 |
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| 15 | Somerset County, Pennsylvania | 42111 | 2.45 |
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| 16 | Fayette County, Pennsylvania | 42051 | 2.46 |
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| 17 | Clarion County, Pennsylvania | 42031 | 2.49 |
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| 18 | Crawford County, Pennsylvania | 42039 | 2.53 |
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| 19 | Indiana County, Pennsylvania | 42063 | 2.54 |
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| 20 | Blair County, Pennsylvania | 42013 | 2.58 |
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| 21 | Potter County, Pennsylvania | 42105 | 2.59 |
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| 22 | Northumberland County, Pennsylvania | 42097 | 2.68 |
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| 23 | Beaver County, Pennsylvania | 42007 | 2.69 |
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| 24 | Luzerne County, Pennsylvania | 42079 | 2.73 |
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| 25 | Mercer County, Pennsylvania | 42085 | 2.73 |
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| 26 | Westmoreland County, Pennsylvania | 42129 | 2.75 |
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| 27 | Erie County, Pennsylvania | 42049 | 2.79 |
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| 28 | Huntingdon County, Pennsylvania | 42061 | 2.79 |
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| 29 | Tioga County, Pennsylvania | 42117 | 2.79 |
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| 30 | Sullivan County, Pennsylvania | 42113 | 2.83 |
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| 31 | Clinton County, Pennsylvania | 42035 | 2.89 |
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| 32 | Washington County, Pennsylvania | 42125 | 2.89 |
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| 33 | Allegheny County, Pennsylvania | 42003 | 2.90 |
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| 34 | York County, Pennsylvania | 42133 | 2.93 |
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| 35 | Bradford County, Pennsylvania | 42015 | 2.94 |
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| 36 | Wyoming County, Pennsylvania | 42131 | 2.97 |
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| 37 | Bedford County, Pennsylvania | 42009 | 2.98 |
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| 38 | Perry County, Pennsylvania | 42099 | 2.98 |
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| 39 | Lackawanna County, Pennsylvania | 42069 | 3.05 |
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| 40 | Lebanon County, Pennsylvania | 42075 | 3.09 |
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| 41 | Dauphin County, Pennsylvania | 42043 | 3.10 |
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| 42 | Carbon County, Pennsylvania | 42025 | 3.13 |
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| 43 | Union County, Pennsylvania | 42119 | 3.14 |
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| 44 | Lycoming County, Pennsylvania | 42081 | 3.16 |
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| 45 | Susquehanna County, Pennsylvania | 42115 | 3.16 |
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| 46 | Cumberland County, Pennsylvania | 42041 | 3.17 |
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| 47 | Fulton County, Pennsylvania | 42057 | 3.17 |
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| 48 | Adams County, Pennsylvania | 42001 | 3.19 |
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| 49 | Columbia County, Pennsylvania | 42037 | 3.19 |
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| 50 | Monroe County, Pennsylvania | 42089 | 3.20 |
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| 51 | Montour County, Pennsylvania | 42093 | 3.22 |
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| 52 | Snyder County, Pennsylvania | 42109 | 3.22 |
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| 53 | Berks County, Pennsylvania | 42011 | 3.23 |
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| 54 | Franklin County, Pennsylvania | 42055 | 3.24 |
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| 55 | Butler County, Pennsylvania | 42019 | 3.27 |
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| 56 | Juniata County, Pennsylvania | 42067 | 3.27 |
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| 57 | Pike County, Pennsylvania | 42103 | 3.35 |
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| 58 | Lancaster County, Pennsylvania | 42071 | 3.46 |
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| 59 | Northampton County, Pennsylvania | 42095 | 3.46 |
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| 60 | Delaware County, Pennsylvania | 42045 | 3.71 |
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| 61 | Lehigh County, Pennsylvania | 42077 | 3.75 |
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| 62 | Chester County, Pennsylvania | 42029 | 3.82 |
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| 63 | Montgomery County, Pennsylvania | 42091 | 3.83 |
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| 64 | Bucks County, Pennsylvania | 42017 | 3.88 |
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| 65 | Wayne County, Pennsylvania | 42127 | 3.88 |
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| 66 | Philadelphia County, Pennsylvania | 42101 | 3.92 |
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| 67 | Centre County, Pennsylvania | 42027 | 4.35 |
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