Koston has seen concerts during 13 years.

Year   Concerts Seen  
2021 1 concert
2020 1 concert
2019 14 concerts
2018 6 concerts
2017 8 concerts
2016 11 concerts
2015 12 concerts
2014 2 concerts
2013 3 concerts
2012 8 concerts
2011 7 concerts
2010 5 concerts
2009 3 concerts