Year Total 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 141300 1985 290700 1986 12380 1987 83660 1988 52280 1989 157400 1990 192300 1991 124000 1992 151200 1993 38010 1994 4729 1995 216600 1996 208700 1997 272500 1998 280700 1999 342000 2000 519900 2001 1228000 2002 1190000 2003 1149000 2004 998400 2005 847400 2006 1183000 2007 1062000 2008 1201000 2009 1114000 2010 1249000