| 1985 |
| 1986 |
| 1987 |
| 1988 |
| 1989 |
| 1990 |
| 1991 |
| 1992 |
| 1993 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 |
| 1999 |
| 2000 |
| 2001 |
| 2002 |
| 2003 |
| 2004 |
| 2005 | |
| 1273.25 |
735.22 |
310.09 |
54.9 |
31.7 |
13.4 |
| 1275.22 |
765.13 |
346.07 |
53.4 |
32.1 |
14.5 |
| 1272.01 |
802.04 |
370.68 |
52 |
32.8 |
15.2 |
| 1282.16 |
803.67 |
416.9 |
51.2 |
32.1 |
16.7 |
| 1330.74 |
770.12 |
422 |
52.7 |
30.5 |
16.7 |
| 1358.28 |
762.48 |
433.7 |
53.2 |
29.8 |
17 |
| 1366.99 |
770.86 |
441.51 |
53 |
29.9 |
17.1 |
| 1359.49 |
770.81 |
470.08 |
52.3 |
29.6 |
18.1 |
| 1248.22 |
886.9 |
480.77 |
47.7 |
33.9 |
18.4 |
| 1193.56 |
917.87 |
529.08 |
45.2 |
34.8 |
20 |
| 1152.15 |
882.82 |
586.5 |
44 |
33.7 |
22.3 |
| 1129.34 |
886.02 |
609.7 |
43 |
33.8 |
23.2 |
| 1113.27 |
881.42 |
624.97 |
42.5 |
33.6 |
23.9 |
| 1108.81 |
854.14 |
649.59 |
42.4 |
32.7 |
24.9 |
| 1078.16 |
784.29 |
762.73 |
41 |
29.9 |
29.1 |
| 969.97 |
966.3 |
789.82 |
35.58 |
35.45 |
28.97 |
| 935.24 |
1009.55 |
851.86 |
33.44 |
36.1 |
30.46 |
| 885.29 |
1070.13 |
903.14 |
30.97 |
37.44 |
31.59 |
| 826.03 |
1201.3 |
891.41 |
28.3 |
41.2 |
30.5 |
| 779.65 |
1304.94 |
907.36 |
26.06 |
43.61 |
30.33 |
| 759.53 |
1397.69 |
943.54 |
24.5 |
45.07 |
30.43 | |
