Chester County (CHE)
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Wyoming
York
| Year |
Total stations |
Mobiles | Portables | Rovers |
% of grand total |
County total |
| 1987 | 5 | 0 | 0 | 0 | 0.69% | 76,658 |
| 1988 | 7 | 2 | 0 | 0 | 1.59% | 168,155 |
| 1989 | 10 | 3 | 0 | 0 | 4.74% | 466,597 |
| 1990 | 12 | 5 | 0 | 0 | 4.19% | 538,137 |
| 1991 | 11 | 2 | 0 | 0 | 4.76% | 551,151 |
| 1992 | 8 | 2 | 1 | 0 | 2.72% | 289,629 |
| 1993 | 3 | 1 | 0 | 0 | 2.04% | 206,250 |
| 1994 | 7 | 4 | 0 | 0 | 1.66% | 230,044 |
| 1995 | 3 | 2 | 0 | 0 | 0.77% | 110,067 |
| 1996 | 5 | 3 | 0 | 0 | 0.88% | 125,300 |
| 1997 | 4 | 2 | 0 | 0 | 0.47% | 65,876 |
| 1998 | 3 | 1 | 0 | 0 | 1.11% | 186,221 |
| 1999 | 5 | 2 | 1 | 0 | 1.01% | 150,271 |
| 2000 | 5 | 2 | 0 | 0 | 1.22% | 179,125 |
| 2001 | 4 | 2 | 1 | 0 | 1.18% | 182,896 |
| 2002 | 7 | 2 | 1 | 0 | 1.09% | 191,790 |
| 2003 | 5 | 2 | 0 | 0 | 1.01% | 141,592 |
| 2004 | 8 | 4 | 1 | 0 | 2.30% | 264,717 |
| 2005 | 4 | 0 | 1 | 0 | 1.49% | 191,722 |
| 2006 | 6 | 0 | 0 | 1 | 1.17% | 128,326 |
| 2007 | 4 | 1 | 0 | 0 | 0.07% | 7,355 |