Early years
1950s – 1970s
38 cuttings
1980s
1981 – 1989
170 cuttings
1990–91
1990 and 1991
70 cuttings
1992
42 cuttings
1993
39 cuttings
1994
35 cuttings
1995
32 cuttings
1996
39 cuttings
1997
38 cuttings
1998
38 cuttings
1999
21 cuttings
2000
23 cuttings
2001
23 cuttings
2002
16 cuttings
2003
14 cuttings
2004
16 cuttings
2005
7 cuttings
2006
7 cuttings
2007
17 cuttings
2008
10 cuttings
2009
14 cuttings
2010
12 cuttings
2011
21 cuttings