Year   Concerts Seen  
2019 45 concerts
2018 42 concerts
2017 38 concerts
2016 22 concerts
2015 29 concerts
2014 21 concerts
2013 28 concerts
2012 25 concerts
2011 25 concerts
2010 17 concerts
2009 24 concerts
2008 17 concerts
2007 19 concerts
2006 15 concerts
2005 7 concerts
2004 5 concerts
2003 8 concerts
2002 6 concerts
2001 1 concert
2000 1 concert
1999 1 concert
1998 1 concert
1997 1 concert
1996 3 concerts
1993 1 concert
1991 2 concerts
1990 6 concerts
1989 3 concerts
1988 2 concerts
1987 2 concerts
1986 7 concerts
1985 10 concerts
1984 13 concerts
1983 13 concerts
1982 14 concerts
1981 8 concerts
1980 3 concerts