Year   Concerts Seen  
2020 1 concert
2019 2 concerts
2018 1 concert
2017 5 concerts
2016 4 concerts
2015 2 concerts
2014 1 concert
2013 5 concerts
2012 5 concerts
2011 7 concerts
2010 3 concerts
2009 3 concerts
2008 4 concerts
2007 9 concerts
2006 9 concerts
2005 5 concerts
2004 1 concert
2003 1 concert
2002 7 concerts
2001 8 concerts
2000 9 concerts
1999 5 concerts
1998 6 concerts
1997 1 concert