Year   Concerts Seen  
2019 3 concerts
2018 1 concert
2017 3 concerts
2016 1 concert
2013 2 concerts
2012 2 concerts
2011 2 concerts
2009 1 concert
2008 2 concerts
2007 2 concerts
2006 4 concerts
2005 2 concerts
2004 10 concerts
2003 4 concerts
2002 3 concerts
2001 7 concerts
2000 7 concerts
1999 2 concerts
1998 1 concert
1997 2 concerts
1993 8 concerts
1992 6 concerts
1991 6 concerts
1990 1 concert
1989 2 concerts