Year  
Concerts Seen  
2023 1 concert
2020 1 concert
2018 4 concerts
2012 1 concert
2011 1 concert
2010 2 concerts
2009 2 concerts
2007 2 concerts
2006 1 concert
2004 1 concert
2002 2 concerts
2001 1 concert
1999 1 concert
1998 1 concert
1982 1 concert
1972 1 concert
1971 2 concerts
1970 9 concerts
1969 8 concerts
1968 3 concerts