The matrix below shows accident rates for all years by month to UK registered helicopters.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
2010 1 1 1 1 4
2009 2 1 3 3 1 2 2 3 2 19
2008 1 3 2 1 5 2 1 1 2 2 2 22
2007 3 2 5 1 2 2 2 5 1 2 2 27
2006 2 2 1 7 4 4 2 2 2 4 2 2 34
2005 2 2 1 5 2 2 2 2 1 2 21
2004 2 1 5 4 3 4 1 4 3 4 3 34
2003 3 2 2 4 5 5 5 5 1 2 2 3 39
2002 3 2 5 1 4 5 4 1 1 3 1 2 32
2001 3 1 2 2 2 3 3 4 1 21
2000 1 6 2 3 1 6 6 6 1 2 3 37
1999 4 2 3 6 2 1 6 2 4 2 4 1 37
1998 3 1 4 5 3 5 7 4 4 1 3 40
1997 2 3 2 1 2 3 5 7 4 1 6 2 38
1996 2 2 1 3 1 4 2 4 1 3 23
1995 2 4 2 3 2 2 2 2 4 2 1 26
1994 2 1 1 1 3 3 2 1 2 7 23
1993 3 1 3 5 2 2 5 1 3 2 2 29
1992 1 2 3 4 3 3 1 5 8 1 1 32
1991 2 2 4 3 4 3 1 1 20
1990 3 2 5 7 4 7 4 2 2 2 3 41
1989 3 3 1 2 3 3 2 2 2 4 1 5 31
1988 1 2 2 3 1 1 3 4 2 4 2 1 26
1987 1 1 2 3 2 2 2 2 2 17
1986 1 2 2 3 2 2 3 2 2 19
1985 2 1 1 2 4 3 1 1 1 1 17
1984 1 2 5 4 4 5 4 3 1 2 1 32
1983 1 1 2 1 1 4 8 2 1 1 1 1 24
1982 2 1 2 2 4 4 1 2 3 1 2 24
1981 1 2 2 2 4 3 3 3 1 1 22
1980 1 1 1 1 2 3 5 1 2 2 2 21
1979 1 4 2 1 3 2 2 5 1 21
1978 1 2 2 2 3 5 3 2 2 22
1977 1 2 1 2 2 5 3 4 2 2 24
1976 1 3 1 3 3 1 1 3 16
1975 1 1 2
1974 1 1
Totals 59 45 74 85 88 96 113 89 80 69 62 58 918