Year   Concerts Seen  
2024 4 concerts
2023 2 concerts
2022 1 concert
2018 1 concert
2015 1 concert
2012 1 concert
2011 1 concert
2010 1 concert
2007 1 concert
2006 2 concerts
2005 3 concerts
2004 1 concert
2003 1 concert
2002 1 concert
2001 1 concert
1999 1 concert
1997 1 concert
1995 1 concert
1994 1 concert
1993 1 concert
1991 3 concerts
1990 1 concert
1989 1 concert
1988 1 concert
1987 1 concert
1982 1 concert
1980 2 concerts
1979 3 concerts
1977 1 concert