David Wessling has seen concerts during 20 years.

Year   Concerts Seen  
2002 2 concerts
2001 4 concerts
2000 4 concerts
1999 3 concerts
1997 1 concert
1996 2 concerts
1995 1 concert
1994 3 concerts
1993 2 concerts
1992 1 concert
1990 1 concert
1986 1 concert
1985 1 concert
1984 2 concerts
1982 1 concert
1981 2 concerts
1980 1 concert
1979 1 concert
1978 1 concert
1977 1 concert