Number of live performances per year
| 2013 | 1 |
| 2011 | 3 |
| 2010 | 19 |
| 2009 | 13 |
| 2008 | 7 |
| 2007 | 7 |
| 2006 | 12 |
| 2005 | 11 |
| 2004 | 11 |
| 2003 | 6 |
| 2002 | 3 |
| 2001 | 7 |
| 2000 | 8 |
| 1999 | 5 |
| 1998 | 3 |
| 1997 | 5 |
| 1996 | 10 |
| 1995 | 13 |
| 1994 | 18 |
| 1993 | 8 |
| 1992 | 16 |
| 1991 | 11 |
| 1990 | 2 |
| 1989 | 9 |
| 1988 | 3 |
| 1981 | 1 |
| 1978 | 101 |
| 1976 | 1 |
| 1975 | 6 |
| 1974 | 9 |
| 1966 | 19 |
| 1965 | 6 |
| 1964 | 3 |