1981.sum                     105.2 K  

1982.sum                     144.6 K  

1983.sum                     143.6 K  

1984.sum                     254.6 K  

1985.sum                     236.6 K  

1986.sum                     256.3 K  

1987.sum                     263.6 K  

1988.sum                     292.5 K  

1989.sum                     301.4 K  

1990.sum                     362.3 K  

1991.sum                     319.2 K  

1992.sum                     305.6 K  

1993.sum                     475.3 K  

1994.sum                     371.1 K  

1995.sum                     369.5 K  

1996.sum                     417.6 K  

1997.sum                     1.10 M  

1998.sum                     740.5 K  

1999.sum                     468.1 K  

2000.sum                     611.9 K  

2001.sum                     586.5 K  

2002.sum                     549.9 K  

1981-2002.sum                8.5 M