Montgomery County (MGY)
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Wyoming
York
| Year |
Total stations |
Mobiles | Portables | Rovers |
% of grand total |
County total |
| 1987 | 9 | 0 | 0 | 0 | 4.16% | 461,500 |
| 1988 | 13 | 2 | 0 | 0 | 3.51% | 372,271 |
| 1989 | 11 | 2 | 0 | 0 | 2.13% | 209,463 |
| 1990 | 12 | 6 | 0 | 0 | 0.57% | 73,005 |
| 1991 | 7 | 1 | 0 | 0 | 0.41% | 47,830 |
| 1992 | 6 | 2 | 0 | 0 | 0.45% | 48,245 |
| 1993 | 9 | 2 | 0 | 0 | 1.21% | 121,946 |
| 1994 | 11 | 5 | 0 | 0 | 1.47% | 204,698 |
| 1995 | 13 | 2 | 0 | 0 | 1.71% | 245,280 |
| 1996 | 10 | 3 | 0 | 0 | 1.29% | 184,309 |
| 1997 | 12 | 2 | 0 | 1 | 2.01% | 280,434 |
| 1998 | 13 | 2 | 0 | 0 | 2.36% | 393,843 |
| 1999 | 12 | 2 | 0 | 0 | 1.65% | 245,419 |
| 2000 | 10 | 3 | 0 | 0 | 2.93% | 429,550 |
| 2001 | 10 | 3 | 0 | 0 | 2.85% | 443,843 |
| 2002 | 14 | 2 | 0 | 0 | 2.33% | 410,974 |
| 2003 | 12 | 3 | 0 | 0 | 2.31% | 323,554 |
| 2004 | 9 | 3 | 0 | 0 | 1.81% | 208,601 |
| 2005 | 9 | 0 | 0 | 0 | 2.03% | 260,956 |
| 2006 | 6 | 0 | 0 | 0 | 1.18% | 129,342 |
| 2007 | 9 | 1 | 2 | 0 | 2.09% | 216,808 |