Year   Concerts Seen  
2024 1 concert
2023 1 concert
2019 5 concerts
2018 10 concerts
2017 3 concerts
2016 5 concerts
2015 3 concerts
2014 1 concert
2013 3 concerts
2012 5 concerts
2011 5 concerts
2010 2 concerts
2009 2 concerts
2008 5 concerts
2007 2 concerts
2006 3 concerts
2005 1 concert
2004 2 concerts
2003 1 concert
2001 1 concert
1998 1 concert
1994 1 concert
1990 1 concert
1989 1 concert
1988 3 concerts
1987 2 concerts
1986 3 concerts
1985 2 concerts
1983 1 concert
1982 1 concert
1981 3 concerts
1980 7 concerts
1979 2 concerts
1977 1 concert
1976 1 concert
1975 1 concert
1974 1 concert
1973 1 concert
1972 1 concert