Sam has seen concerts during 18 years.

Year   Concerts Seen  
2024 6 concerts
2023 13 concerts
2022 5 concerts
2019 6 concerts
2018 18 concerts
2017 14 concerts
2016 10 concerts
2015 21 concerts
2014 14 concerts
2013 18 concerts
2012 14 concerts
2011 12 concerts
2010 5 concerts
2009 1 concert
2008 4 concerts
2007 1 concert
2006 2 concerts
2004 1 concert