| 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 | |
| 4.45 |
104.85 |
501.43 |
81.56 |
18.07 |
17.35 |
| 4.26 |
86.44 |
486.77 |
72.47 |
18.38 |
17.54 |
| 4.17 |
83.58 |
482.42 |
71.07 |
18.45 |
17.26 |
| 4.1 |
74.19 |
459.83 |
78.66 |
17.66 |
16.5 |
| 3.94 |
70.63 |
430.59 |
81.06 |
17.09 |
15.94 |
| 3.82 |
70.2 |
407.2 |
83.03 |
16.44 |
15.25 |
| 3.75 |
70.1 |
395.46 |
76.47 |
16.08 |
14.82 |
| 3.65 |
67.78 |
384.91 |
75.34 |
16.09 |
14.62 |
| 3.56 |
69.38 |
378.09 |
72.15 |
15.84 |
14.42 |
| 3.45 |
57.33 |
365.15 |
67.32 |
15.55 |
14.16 |
| 3.36 |
63.19 |
366.04 |
58.54 |
15.78 |
14.39 |
| 3.27 |
72.3 |
375.73 |
60.16 |
16.11 |
14.65 |
| 3.18 |
64.6 |
372.43 |
65.81 |
14.88 |
13.46 |
| 2.97 |
57.85 |
362.64 |
65.64 |
14.97 |
13.5 |
| 2.73 |
57.9 |
355.21 |
63.74 |
15.1 |
13.63 |
| 2.53 |
64.74 |
359.23 |
59.33 |
15.23 |
13.77 |
| 2.37 |
72.71 |
366.15 |
66.2 |
15.46 |
13.98 |
| 2.26 |
66.19 |
362.98 |
70.01 |
15.84 |
14.34 |
| 2.14 |
63.84 |
363.8 |
63.9 |
16.3 |
14.85 |
| 1.97 |
61.39 |
368.57 |
57.72 |
16.84 |
15.4 |
| 1.69 |
56.19 |
365.23 |
59.59 |
17.17 |
15.69 |
| 1.38 |
65.46 |
363.31 |
67.83 |
17.53 |
16 |
| 1.18 |
61.58 |
353.76 |
71.58 |
17.57 |
16.04 |
| 1 |
58.45 |
346.28 |
66.66 |
17.64 |
15.99 |
| 0.9 |
57.78 |
343.75 |
64.48 |
17.65 |
16.01 |
| 0.77 |
52.45 |
340.29 |
59.78 |
17.54 |
15.91 |
| 0.67 |
51.42 |
344.31 |
53.24 |
17.61 |
16.01 | |