Year   Concerts Seen  
2021 1 concert
2019 1 concert
2018 6 concerts
2017 3 concerts
2016 7 concerts
2015 4 concerts
2014 5 concerts
2013 2 concerts
2012 2 concerts
2011 2 concerts
2009 3 concerts
2008 1 concert
2007 2 concerts
2006 1 concert
2005 1 concert
2004 3 concerts
1997 3 concerts
1992 1 concert
1991 1 concert
1989 1 concert