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| �� �� | ��ʳ�ܲ��� | ���ϲ��� | ��Ҷ���� | ������� | ˮ������ | ��Ҷ���� |
| (���) | (��) | (��) | (��) | (���) | (��) | |
| 1978 | 146.80 | 7 958 | 2 860 | 380 | 2.02 | 1 442 |
| 1980 | 161.44 | 8 427 | 2 565 | 175 | 2.10 | 1 450 |
| 1985 | 174.25 | 12 031 | 12 857 | 315 | 5.64 | 1 920 |
| 1990 | 187.71 | 12 507 | 15 259 | 696 | 10.21 | 1 934 |
| 1991 | 193.14 | 12 980 | 17 665 | 834 | 10.95 | 1 845 |
| 1992 | 190.76 | 14 096 | 32 576 | 443 | 11.33 | 1 674 |
| 1993 | 193.63 | 12 200 | 33 594 | 488 | 12.87 | 1 950 |
| 1994 | 194.32 | 12 401 | 19 148 | 548 | 13.37 | 2 070 |
| 1995 | 204.98 | 15 677 | 21 370 | 371 | 17.82 | 1 958 |
| 1996 | 211.29 | 16 216 | 44 687 | 366 | 18.35 | 1 657 |
| 1997 | 214.63 | 16 404 | 73 817 | 353 | 22.38 | 1 940 |
| 1998 | 218.90 | 15 588 | 34 407 | 324 | 23.55 | 1 895 |
| 1999 | 225.04 | 15 580 | 44 993 | 341 | 24.97 | 1 778 |