What is the average amount of plane crashes each year?

What is the average amount of plane crashes each year?
The National Safety and Transportation Bureau statsitics indicate that there were an average of 36 plane crashes per year between 1988 and 2007 in the US: These are the yearly US Statistics for plane crashes:1988 30/ 1989 28/ 1990 24/ 1991 26/ 1992 18/ 1993 23/ 1994 23/ 1995 36/ 1996 37/ 1997 49/ 1998 50/ 1999 51/ 2000 56/ 2001 46/ 2002 41/ 2003 54/ 2004 30/ 2005 40/ 2006 33/ 2007 26/The Wiki question "What is the average number of plane crashes for year" at http://wiki./Q/What is the average number of plane crashes per year&src=ansTT has more links and statistics on plane crashes.