Year Number 1960 -343056 1961 -373030 1962 -460803 1963 -502558 1964 -447596 1965 -337765 1966 -224221 1967 -322051 1968 -317821 1969 -217426 1970 -523078 1971 -372056 1972 -402738 1973 -401737 1974 -341338 1975 -123085 1976 672516 1977 153252 1978 -646053 1979 -437751 1980 -136282 1981 -293857 1982 -234537 1983 -40234 1984 -138027 1985 -55253 1986 35165 1987 -93325 1988 -250091 1989 -885656 1990 -1633001 1991 -790604 1992 -1305174 1993 -1067330 1994 -972336 1995 -963875 1996 -877844 1997 -799035 1998 -712985 1999 -450172 2000 -252503 2001 -493410 2002 -425778 2003 -524763 2004 -305339 2005 -132851 2006 588161 2007 954960 2008 805398 2009 676814 2010 -1789 2011 406473 2012 483627 2013 999874 2014 164919 2015 174084 2016 152609 2017 494417 2018 433752 2019 45880 2020 -128646 2021 60109 2022 5247944 2023 -2428055