| 1978 |
| 1979 |
| 1980 |
| 1981 |
| 1982 |
| 1983 |
| 1984 |
| 1985 |
| 1986 |
| 1987 |
| 1988 |
| 1989 |
| 1990 |
| 1991 |
| 1992 |
| 1993 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 |
| 1999 |
| 2000 |
| 2001 |
| 2002 |
| 2003 |
| 2004 |
| 2005 | |
| 46.86 |
43.57 |
1.84 |
1.45 |
|
| 58.97 |
55.06 |
2.28 |
1.63 |
|
| 74.87 |
69.62 |
2.86 |
2.39 |
|
| 85.99 |
79.98 |
3.21 |
2.8 |
|
| 93.77 |
86.78 |
3.45 |
3.54 |
|
| 104.24 |
96.93 |
3.87 |
3.44 |
|
| 125.82 |
116.37 |
4.98 |
4.47 |
|
| 172.27 |
157.44 |
6.56 |
8.27 |
|
| 203.49 |
185.26 |
7.9 |
10.33 |
|
| 242.58 |
220.4 |
9.73 |
12.45 |
|
| 325.88 |
298.19 |
12.55 |
15.14 |
|
| 346.01 |
316.71 |
14.06 |
15.24 |
|
| 353.75 |
321.45 |
15.9 |
16.4 |
|
| 404 |
366.65 |
19.07 |
18.28 |
|
| 493.87 |
442.64 |
25.04 |
26.19 |
|
| 772.11 |
722.81 |
40.09 |
9.21 |
|
| 1133.18 |
1013.18 |
55.24 |
64.76 |
|
| 1472.66 |
1360.01 |
85.92 |
26.73 |
|
| 1776.67 |
1610.94 |
115.02 |
50.71 |
|
| 1951.96 |
1759.87 |
129.88 |
62.21 |
|
| 2120.78 |
1896.93 |
149.33 |
74.52 |
|
| 2305.86 |
2041.43 |
188.31 |
76.12 |
|
| 2553.59 |
2235.01 |
237.67 |
80.91 |
|
| 2839.59 |
2478.04 |
277.97 |
83.57 |
|
| 3166.15 |
2736.1 |
340.34 |
89.72 |
|
| 3511.26 |
2998.92 |
399.14 |
113.2 |
|
| 4055.5 |
3525.14 |
452.78 |
77.58 |
|
| 4631.69 |
4020.81 |
533.19 |
77.69 |
| |
