Year   Concerts Seen  
2020 2 concerts
2019 16 concerts
2018 20 concerts
2017 21 concerts
2016 18 concerts
2015 13 concerts
2014 10 concerts
2013 5 concerts
2012 3 concerts
2011 2 concerts
2010 4 concerts
2009 2 concerts
2008 3 concerts
2007 2 concerts
2006 1 concert
2005 6 concerts
2004 6 concerts
2003 5 concerts
2002 10 concerts
2001 12 concerts
2000 7 concerts
1999 17 concerts
1998 12 concerts
1997 9 concerts
1996 4 concerts
1995 3 concerts
1994 4 concerts
1992 1 concert
1991 2 concerts
1990 1 concert