Number of live performances per year
| 2017 | 13 |
| 2015 | 2 |
| 2014 | 5 |
| 2012 | 16 |
| 2011 | 8 |
| 2010 | 4 |
| 2009 | 2 |
| 2007 | 11 |
| 2006 | 14 |
| 2005 | 10 |
| 2003 | 4 |
| 2002 | 12 |
| 2001 | 19 |
| 2000 | 33 |
| 1999 | 10 |
| 1998 | 5 |
| 1997 | 7 |
| 1996 | 10 |
| 1995 | 14 |
| 1994 | 6 |
| 1993 | 4 |
| 1992 | 5 |
| 1991 | 2 |
| 1990 | 5 |
| 1989 | 15 |
| 1988 | 22 |
| 1987 | 1 |
| 1986 | 33 |
| 1984 | 3 |
| 1980 | 8 |
| 1978 | 61 |
| 1974 | 1 |
| 1969 | 1 |
| 1966 | 2 |
| 1965 | 10 |
| 1964 | 5 |