Year   Concerts Seen  
2019 10 concerts
2018 8 concerts
2017 1 concert
2016 2 concerts
2015 3 concerts
2014 1 concert
2013 2 concerts
2012 1 concert
2010 4 concerts
2009 1 concert
2008 2 concerts
2006 2 concerts
2005 1 concert
2004 8 concerts
2003 2 concerts
2002 2 concerts
2001 2 concerts
2000 3 concerts
1999 2 concerts
1998 6 concerts
1996 3 concerts
1995 4 concerts
1994 4 concerts
1993 2 concerts
1992 1 concert
1991 2 concerts
1990 4 concerts
1988 3 concerts
1987 1 concert
1986 1 concert
1985 3 concerts
1984 8 concerts
1983 7 concerts
1982 4 concerts
1981 3 concerts
1980 1 concert
1979 4 concerts
1978 2 concerts
1977 4 concerts
1976 6 concerts
1975 2 concerts