| 1985 |
| 1986 |
| 1987 |
| 1988 |
| 1989 |
| 1990 |
| 1991 |
| 1992 |
| 1993 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 |
| 1999 |
| 2000 |
| 2001 |
| 2002 |
| 2003 |
| 2004 | |
| 11.23 |
245.45 |
181.98 |
2.6 |
56 |
41.5 |
| 11.55 |
254.98 |
189.38 |
2.5 |
55.9 |
41.5 |
| 11.6 |
256.34 |
198.4 |
2.4 |
55.8 |
41.7 |
| 11.26 |
273.97 |
213.05 |
2.3 |
55 |
42.8 |
| 10.76 |
267.93 |
218.46 |
2.2 |
53.9 |
43.9 |
| 10.44 |
270.95 |
224.47 |
2.1 |
53.6 |
44.4 |
| 10.39 |
284.91 |
234.84 |
2 |
53.7 |
44.3 |
| 10.31 |
280.89 |
244.14 |
1.9 |
52.5 |
45.6 |
| 9.06 |
297.13 |
257.04 |
1.6 |
52.8 |
45.6 |
| 5.17 |
247.36 |
267.83 |
1 |
47.5 |
51.5 |
| 5.08 |
243.01 |
281.42 |
1 |
45.9 |
53.1 |
| 4.77 |
244.64 |
294.06 |
0.9 |
45 |
54.1 |
| 4.72 |
242.85 |
298.45 |
0.8 |
44.5 |
54.7 |
| 4.69 |
237.67 |
308.43 |
0.9 |
43.1 |
56 |
| 4.87 |
231.31 |
328.84 |
0.9 |
40.9 |
58.2 |
| 4.61 |
237.18 |
342.04 |
0.8 |
40.6 |
58.6 |
| 4.03 |
255.9 |
363.09 |
0.6 |
41.1 |
58.3 |
| 3.21 |
270.12 |
399.36 |
0.48 |
40.15 |
59.37 |
| 3.07 |
314.18 |
432.75 |
0.4 |
41.9 |
57.7 |
| 3.26 |
389.98 |
454.43 |
0.38 |
46.01 |
53.61 | |
