| 1986 |
| 1987 |
| 1988 |
| 1989 |
| 1990 |
| 1991 |
| 1992 |
| 1993 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 |
| 1999 |
| 2000 |
| 2001 |
| 2002 |
| 2003 |
| 2004 | |
| 2568 |
6506 |
|
3590 |
5518 |
13980 |
| 3272 |
6892 |
|
4467 |
6481 |
13652 |
| 3066 |
7053 |
5232 |
5180 |
7344 |
16895 |
| 3134 |
7405 |
5765 |
5644 |
7622 |
18009 |
| 3120 |
6276 |
4669 |
5551 |
8845 |
17792 |
| 3457 |
5506 |
4256 |
4720 |
8572 |
13653 |
| 3452 |
5533 |
4274 |
6772 |
12239 |
19618 |
| 2941 |
4948 |
3955 |
7418 |
14992 |
25223 |
| 2540 |
4401 |
3623 |
9262 |
21045 |
36465 |
| 2453 |
4301 |
3414 |
10058 |
23385 |
41003 |
| 2315 |
4331 |
3451 |
12792 |
29536 |
55257 |
| 2440 |
4390 |
3475 |
17798 |
40542 |
72943 |
| 2534 |
5568 |
4106 |
25194 |
45248 |
99424 |
| 2558 |
5070 |
3870 |
26927 |
53110 |
105266 |
| 1989 |
4040 |
3293 |
29664 |
73426 |
149140 |
| 1790 |
2818 |
2240 |
21663 |
76874 |
121022 |
| 1746 |
2812 |
2323 |
23329 |
89262 |
133614 |
| 1700 |
2944 |
2338 |
30816 |
104674 |
181271 |
| 1540 |
2769 |
2026 |
42463 |
153351 |
275734 | |
