Swinney20 has seen concerts during 12 years.

Year   Concerts Seen  
2018 1 concert
2016 2 concerts
2014 2 concerts
2011 1 concert
2008 2 concerts
2002 1 concert
2000 1 concert
1992 1 concert
1986 1 concert
1985 3 concerts
1984 2 concerts
1982 1 concert