Patent applications per year

Year #
1972 1
1973 3
1974 7
1975 4
1976 4
1977 2
1978 4
1980 5
1981 3
1984 1
1985 4
1986 12
1987 16
1988 19
1989 20
1990 25
1991 19
1992 33
1993 25
1994 18
1995 32
1996 24
1997 33
1998 26
1999 28
2000 31
2001 44
2002 28
2003 34
2004 21
2005 28
2006 8
2007 14
2008 14
2009 16
2010 20
2011 3
Checked
3 April 2013
Published
19 August 2011
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