Year   Concerts Seen  
2019 3 concerts
2018 2 concerts
2017 3 concerts
2016 1 concert
2015 5 concerts
2014 4 concerts
2012 5 concerts
2011 1 concert
2010 3 concerts
2009 2 concerts
2008 1 concert
2005 7 concerts
2004 4 concerts
2003 1 concert
2001 2 concerts
2000 1 concert
1999 2 concerts
1998 2 concerts
1997 3 concerts
1996 5 concerts
1995 4 concerts
1994 6 concerts
1993 4 concerts
1992 1 concert
1991 2 concerts
1990 1 concert
1989 6 concerts
1988 2 concerts
1987 1 concert
1986 1 concert
1984 1 concert
1983 2 concerts
1982 1 concert
1981 1 concert
1980 1 concert
1978 1 concert
1977 2 concerts
1975 1 concert
1973 1 concert