| | | | . | 1976 | 89 | | . | 1977 | 128 | 43.82% | . | 1978 | 152 | 18.75% | . | 1979 | 320 | 110.53% | . | 1980 | 425 | 32.81% | . | 1981 | 560 | 31.76% | . | 1982 | 775 | 38.39% | . | 1983 | 1310 | 69.03% | . | 1984 | 1275 | -2.67% | . | 1985 | 2470 | 93.73% | . | 1986 | 2820 | 14.17% | . | 1987 | 2950 | 4.61% | . | 1988 | 4700 | 59.32% | . | 1989 | 8675 | 84.57% | . | 1990 | 6675 | -23.05% | . | 1991 | 9050 | 35.58% | . | 1992 | 11750 | 29.83% | . | 1993 | 16325 | 38.94% | . | 1994 | 20400 | 24.96% | . | 1995 | 32100 | 57.35% |
|
| | | | . | 1996 | 34100 | 6.23% | . | 1997 | 46000 | 34.90% | . | 1998 | 70000 | 52.17% | . | 1999 | 56100 | -19.86% | . | 2000 | 71000 | 26.56% | . | 2001 | 75600 | 6.48% | . | 2002 | 72750 | -3.77% | . | 2003 | 84250 | 15.81% | . | 2004 | 87900 | 4.33% | . | 2005 | 88620 | 0.82% | . | 2006 | 109900 | 24.01% | . | 2007 | 141600 | 28.84% | . | 2008 | 119800 | -15.40% |
|