Perry County (PER)
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York
| Year |
Total stations |
Mobiles | Portables | Rovers |
% of grand total |
County total |
| 1987 | 4 | 3 | 0 | 0 | 1.30% | 144,554 |
| 1988 | 5 | 32 | 1 | 0 | 1.32% | 140,527 |
| 1989 | 8 | 6 | 0 | 0 | 1.38% | 135,996 |
| 1990 | 5 | 3 | 0 | 0 | 1.51% | 193,551 |
| 1991 | 5 | 3 | 0 | 0 | 1.29% | 148,874 |
| 1992 | 3 | 1 | 0 | 0 | 1.05% | 111,952 |
| 1993 | 5 | 2 | 1 | 0 | 0.97% | 97,962 |
| 1994 | 7 | 4 | 0 | 0 | 1.19% | 165,079 |
| 1995 | 7 | 3 | 1 | 0 | 0.33% | 47,351 |
| 1996 | 3 | 1 | 0 | 0 | 0.38% | 53,758 |
| 1997 | 6 | 4 | 0 | 0 | 1.83% | 254,592 |
| 1998 | 4 | 3 | 0 | 0 | 0.35% | 58,433 |
| 1999 | 5 | 4 | 0 | 0 | 0.31% | 45,630 |
| 2000 | 5 | 4 | 0 | 0 | 0.39% | 57,826 |
| 2001 | 5 | 4 | 0 | 0 | 0.16% | 24,964 |
| 2002 | 6 | 5 | 0 | 0 | 0.07% | 12,746 |
| 2003 | 9 | 7 | 0 | 0 | 1.91% | 267,741 |
| 2004 | 6 | 6 | 0 | 0 | 0.09% | 10,153 |
| 2005 | 4 | 2 | 0 | 0 | 1.88% | 241,979 |
| 2006 | 5 | 3 | 0 | 0 | 1.35% | 147,225 |
| 2007 | 5 | 0 | 0 | 1 | 1.00% | 103,399 |