Year   Concerts Seen  
2019 11 concerts
2018 8 concerts
2017 7 concerts
2016 4 concerts
2015 8 concerts
2014 4 concerts
2013 1 concert
2011 1 concert
2009 2 concerts
2008 2 concerts
2003 1 concert
2002 1 concert
2001 2 concerts
2000 3 concerts
1999 1 concert
1997 1 concert
1996 2 concerts
1995 1 concert
1994 2 concerts
1992 1 concert
1991 1 concert
1990 3 concerts
1989 2 concerts
1988 1 concert
1987 1 concert
1986 1 concert
1984 1 concert
1982 1 concert
1971 1 concert