Philip Akkerman 1981 no. 1
Philip Akkerman 1982 no. 15
Philip Akkerman 1983 no. 38
Philip Akkerman 1984 no. 11
Philip Akkerman 1985 no. 15
Philip Akkerman 1986 no. 16
Philip Akkerman 1987 no. 39
Philip Akkerman 1988 no. 7
Philip Akkerman 1989 no. 4
Philip Akkerman 1990 no. 19
Philip Akkerman 1991 no. 85
Philip Akkerman 1992 no. 68
Philip Akkerman 1993 no. 67
Philip Akkerman 1994 no. 58
Philip Akkerman 1995 no. 69
Philip Akkerman 1996 no. 38
Philip Akkerman 1997 no. 81
Philip Akkerman 1998 no. 70
Philip Akkerman 1999 no. 48
Philip Akkerman 2000 no. 131
Philip Akkerman 2001 no. 22
Philip Akkerman 2002 no. 9
Philip Akkerman 2003 no. 126
Philip Akkerman 2004 no. 84
Philip Akkerman 2005 no. 31
Philip Akkerman 2006 no. 114
Philip Akkerman 2007 no. 123
Philip Akkerman 2008 no. 142
Philip Akkerman 2009 no. 24