Year   Concerts Seen  
2020 2 concerts
2019 28 concerts
2018 12 concerts
2017 15 concerts
2016 9 concerts
2015 10 concerts
2014 7 concerts
2013 4 concerts
2012 1 concert
2011 5 concerts
2010 3 concerts
2009 4 concerts
2008 2 concerts
2007 1 concert
2006 2 concerts
2003 3 concerts
2002 2 concerts
2001 4 concerts
2000 5 concerts
1999 3 concerts
1998 2 concerts
1997 1 concert
1996 1 concert
1995 2 concerts
1994 3 concerts
1993 9 concerts
1992 6 concerts
1991 7 concerts
1990 4 concerts
1989 4 concerts
1988 6 concerts
1987 2 concerts
1986 2 concerts
1985 1 concert
1984 6 concerts
1983 1 concert
1982 2 concerts
1981 5 concerts
1980 1 concert
1979 1 concert