|
Year of operation |
Valve Site |
Total |
|||||
|
|
|
|
|||||
|
1986 |
2810 |
54.15% |
2337 |
45.04% |
42 |
0.81% |
5189 |
|
1987 |
2733 |
54.84% |
2208 |
44.30% |
43 |
0.86% |
4984 |
|
1988 |
2814 |
55.46% |
2206 |
43.48% |
54 |
1.06% |
5074 |
|
1989 |
2860 |
58.36% |
2003 |
40.87% |
38 |
0.78% |
4901 |
|
1990 |
3015 |
59.55% |
2007 |
39.64% |
41 |
0.81% |
5063 |
|
1991 |
3055 |
59.73% |
2037 |
39.82% |
23 |
0.45% |
5115 |
|
1992 |
3340 |
62.38% |
1971 |
36.81% |
43 |
0.80% |
5354 |
|
1993 |
3438 |
63.28% |
1966 |
36.19% |
29 |
0.53% |
5433 |
|
1994 |
3858 |
64.45% |
2097 |
35.03% |
31 |
0.52% |
5986 |
|
1995 |
3612 |
65.20% |
1903 |
34.35% |
25 |
0.45% |
5540 |