Year   Concerts Seen  
2023 1 concert
2022 1 concert
2019 1 concert
2018 2 concerts
2017 1 concert
2016 2 concerts
2015 2 concerts
2014 1 concert
2013 2 concerts
2012 6 concerts
2011 3 concerts
2010 2 concerts
2009 2 concerts
2008 2 concerts
2007 5 concerts
2006 1 concert
2005 5 concerts
2004 2 concerts
2002 3 concerts
2001 5 concerts
2000 4 concerts
1995 1 concert
1993 1 concert
1992 5 concerts
1991 2 concerts
1990 3 concerts
1989 1 concert
1987 4 concerts
1986 6 concerts
1985 6 concerts
1984 6 concerts
1983 9 concerts
1982 10 concerts
1981 15 concerts
1980 15 concerts
1979 11 concerts
1978 1 concert