Year   Concerts Seen  
2021 3 concerts
2019 4 concerts
2018 3 concerts
2017 2 concerts
2016 2 concerts
2013 2 concerts
2011 2 concerts
2010 3 concerts
2005 1 concert
2003 4 concerts
2001 2 concerts
2000 3 concerts
1999 4 concerts
1998 3 concerts
1997 6 concerts
1996 5 concerts
1995 6 concerts
1994 1 concert
1993 3 concerts
1992 1 concert
1989 1 concert