| | 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 | | | 2006 | | 2007 | | 2008 | | |
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| | | | | | | | | | | 10247 | 5562 | 7939 | 3731 | 490 | 266 | | 47.19 | | | | | | | | | | | | | | 9129 | 4693 | 7287 | 3291 | 522 | 217 | | 44.86 | | | | 8394 | 4021 | 6813 | 2762 | 414 | 190 | | 31.77 | | | | 8462 | 4099 | 6837 | 2778 | 490 | 217 | | 35.06 | | | | 8573 | 4441 | 6670 | 2772 | 548 | 266 | | 32.81 | | | | 7994 | 5238 | 4917 | 2665 | 759 | 367 | | 33.84 | | | | | | | | | | | | | | 9655 | 6258 | 5820 | 2960 | 729 | 366 | | 27.33 | | | | 8135 | 5609 | 4579 | 2457 | 601 | 333 | | 22.07 | | | | 7712 | 5526 | 4136 | 2313 | 567 | 321 | | 18.16 | 196 | 208 | | 7336 | 5143 | 4110 | 2214 | 462 | 262 | | 13.08 | 166 | 180 | | 7519 | 5150 | 4315 | 2196 | 447 | 230 | | 11.49 | 132 | 143 | | | | | | | | | | | | 8257 | 5740 | 4724 | 2348 | 442 | 242 | | 10.41 | 132 | 141 | | 6122 | 4676 | 3015 | 1765 | 497 | 294 | | 10.4 | 109 | 138 | | 6966 | 5742 | 2878 | 1824 | 462 | 283 | | 8.13 | 119 | 135 | | 9683 | 8315 | 3645 | 2380 | 459 | 314 | | 5.57 | 117 | 133 | | 11035 | 9701 | 3834 | 2626 | 457 | 312 | | 4.64 | 108 | 124 | | | | | | | | | | | | 14686 | 13399 | 4237 | 3171 | 851 | 621 | 9378.5 | 8.75 | | 262 | | 25144 | 23615 | 5674 | 4403 | 927 | 705 | 13589.1 | 7.75 | | 234 | | 35778 | 33599 | 8468 | 6770 | 1487 | 1031 | 16454.6 | 10.95 | | 221 | | 32291 | 29923 | 10607 | 8577 | 1502 | 1101 | 15539.3 | 10.41 | | 177 | | 32378 | 30121 | 10583 | 8660 | 1459 | 1070 | 13777.5 | 9.24 | | 177 | | | | | | | | | | | | 17645 | 15190 | 10424 | 8226 | 1447 | 1046 | 6267.1 | 8.52 | 122 | 160 | | 12053 | 9552 | 10456 | 8155 | 1499 | 1111 | 4112.0 | 7.89 | 123 | 139 | | 10842 | 8683 | 9877 | 7961 | 1641 | 1230 | 4361.4 | 7.73 | 183 | 207 | | 8536 | 7008 | 8284 | 6914 | 1631 | 1332 | 4058.0 | 7.1 | 150 | 177 | | 6364 | 5112 | 6888 | 5708 | 1515 | 1289 | 2609.5 | 5.86 | 145 | 175 | | | | | | | | | | | | 5808 | 4615 | 6681 | 5536 | 1373 | 1164 | 2772.0 | 4.77 | 172 | 196 | | 5321 | 4090 | 6088 | 5088 | 1182 | 1002 | 2285.1 | 3.78 | 170 | 192 | | 3942 | 2959 | 4474 | 3626 | 986 | 816 | 2038.9 | 2.81 | 106 | 124 | | | | | | | | | | | | | | | | | | | | | |