Patent applications per year

Year #
1970 1
1971 5
1972 5
1973 9
1974 10
1975 7
1976 10
1977 4
1978 8
1979 8
1980 3
1981 3
1982 1
1983 9
1984 5
1985 8
1986 10
1987 12
1988 13
1989 6
1990 8
1991 8
1992 9
1993 8
1994 5
1995 8
1996 10
1997 24
1998 11
1999 12
2000 12
2001 4
2002 5
2003 11
2004 8
2005 2
2006 2
2007 4
2008 6
2009 10
2010 7
Checked
3 April 2013
Published
17 August 2011
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