Year   Concerts Seen  
2021 1 concert
2019 1 concert
2018 1 concert
2017 1 concert
2016 1 concert
2015 2 concerts
2014 1 concert
2011 1 concert
2010 1 concert
2009 1 concert
2008 3 concerts
2007 5 concerts
2005 4 concerts
2004 1 concert
2002 4 concerts
2001 4 concerts
2000 8 concerts
1999 5 concerts
1998 4 concerts
1997 5 concerts
1996 4 concerts
1995 6 concerts
1994 6 concerts
1993 9 concerts
1992 5 concerts
1991 1 concert
1990 1 concert
1989 7 concerts
1988 8 concerts
1987 7 concerts
1986 7 concerts
1985 3 concerts
1984 2 concerts
1983 4 concerts
1982 1 concert
1981 1 concert
1979 1 concert