Trevor Ridgley has seen concerts during 31 years.

Year   Concerts Seen  
2023 2 concerts
2022 4 concerts
2021 3 concerts
2020 2 concerts
2019 4 concerts
2018 7 concerts
2017 6 concerts
2016 7 concerts
2013 1 concert
2012 1 concert
2011 2 concerts
2010 4 concerts
2009 2 concerts
2008 6 concerts
2007 5 concerts
2006 9 concerts
2005 11 concerts
2004 10 concerts
2003 11 concerts
2002 8 concerts
2001 10 concerts
2000 8 concerts
1999 7 concerts
1998 5 concerts
1997 7 concerts
1996 1 concert
1995 4 concerts
1994 1 concert
1993 2 concerts
1992 2 concerts
1990 1 concert