Year   Concerts Seen  
2023 2 concerts
2022 7 concerts
2021 1 concert
2019 4 concerts
2013 1 concert
2011 2 concerts
2010 5 concerts
2009 6 concerts
2008 1 concert
2007 1 concert
2001 1 concert
2000 1 concert
1999 1 concert
1998 1 concert
1997 1 concert
1996 2 concerts
1994 1 concert
1993 1 concert
1992 2 concerts
1991 1 concert
1987 1 concert
1986 1 concert
1985 1 concert
1982 1 concert
1975 1 concert
1970 1 concert