Doctor Sputnik has seen concerts during 19 years.

Year   Concerts Seen  
2024 1 concert
2023 4 concerts
2022 3 concerts
2021 3 concerts
2020 1 concert
2017 1 concert
2014 4 concerts
2012 1 concert
2011 4 concerts
2010 5 concerts
2009 4 concerts
2006 3 concerts
2005 2 concerts
2004 5 concerts
2003 2 concerts
2002 6 concerts
2001 18 concerts
2000 7 concerts
1991 1 concert