Year   Concerts Seen  
2024 3 concerts
2023 2 concerts
2022 2 concerts
2014 3 concerts
2011 1 concert
2007 1 concert
2006 2 concerts
2005 1 concert
2004 1 concert
2002 1 concert
2001 1 concert
1995 1 concert
1989 1 concert
1988 1 concert
1983 3 concerts
1982 5 concerts
1981 3 concerts
1980 1 concert
1979 1 concert
1974 2 concerts
1973 4 concerts
1972 1 concert
1971 1 concert
1970 3 concerts
1969 2 concerts