Number of live performances per year
| 2019 | 6 |
| 2014 | 4 |
| 2013 | 2 |
| 2012 | 2 |
| 2011 | 7 |
| 2010 | 16 |
| 2009 | 4 |
| 2008 | 9 |
| 2007 | 22 |
| 2006 | 11 |
| 2005 | 8 |
| 2004 | 9 |
| 2003 | 11 |
| 2002 | 4 |
| 2001 | 7 |
| 2000 | 7 |
| 1999 | 6 |
| 1998 | 3 |
| 1997 | 4 |
| 1996 | 11 |
| 1995 | 10 |
| 1994 | 1 |
| 1993 | 2 |
| 1992 | 3 |
| 1990 | 1 |
| 1989 | 2 |
| 1988 | 3 |
| 1986 | 1 |
| 1984 | 1 |
| 1981 | 3 |
| 1980 | 4 |
| 1978 | 3 |
| 1976 | 2 |
| 1974 | 39 |
| 1966 | 19 |
| 1965 | 6 |