Year   Concerts Seen  
2021 4 concerts
2020 4 concerts
2019 21 concerts
2018 21 concerts
2017 15 concerts
2016 9 concerts
2015 7 concerts
2014 5 concerts
2013 5 concerts
2012 11 concerts
2011 7 concerts
2010 10 concerts
2009 3 concerts
2008 2 concerts
2007 3 concerts
2006 3 concerts
2005 6 concerts
2004 3 concerts
2003 2 concerts
2002 1 concert
2001 2 concerts
2000 1 concert
1999 4 concerts
1998 1 concert
1997 3 concerts
1996 5 concerts
1995 1 concert
1994 1 concert
1993 3 concerts
1992 2 concerts
1991 1 concert
1990 1 concert
1988 2 concerts