Year   Concerts Seen  
2017 3 concerts
2016 11 concerts
2015 3 concerts
2014 3 concerts
2013 4 concerts
2012 2 concerts
2010 3 concerts
2009 3 concerts
2008 2 concerts
2007 3 concerts
2004 1 concert
2003 1 concert
1994 1 concert
1990 1 concert
1989 2 concerts
1988 1 concert