| Year | Value | | 2022 | 1,025,621 | | 2021 | 1,029,632 | | 2020 | 1,033,662 | | 2019 | 1,035,939 | | 2018 | 1,035,846 | | 2017 | 1,035,143 | | 2016 | 1,034,319 | | 2015 | 1,033,390 | | 2014 | 1,032,212 | | 2013 | 1,030,732 | | 2012 | 1,029,448 | | 2011 | 1,028,400 | | 2010 | 1,026,890 | | 2009 | 1,024,995 | | 2008 | 1,023,354 | | 2007 | 1,021,926 | | 2006 | 1,020,570 | | 2005 | 1,019,222 | | 2004 | 1,017,372 | | 2003 | 1,014,780 | | 2002 | 1,011,852 | | 2001 | 1,021,064 | | 2000 | 1,019,933 | | 1999 | 1,018,471 | | 1998 | 1,015,194 | | 1997 | 1,009,742 | | 1996 | 1,008,429 | | 1995 | 1,001,978 | | 1994 | 1,000,757 | | 1993 | 1,010,218 | | 1992 | 1,023,450 | | 1991 | 1,033,963 | | 1990 | 1,037,601 | | 1989 | 1,035,101 | | 1988 | 1,031,054 | | 1987 | 1,026,258 | | 1986 | 1,020,772 | | 1985 | 1,014,743 | | 1984 | 1,008,067 | | 1983 | 1,000,622 | | 1982 | 992,152 | | 1981 | 980,275 | | 1980 | 965,935 | | 1979 | 951,828 | | 1978 | 937,817 | | 1977 | 924,173 | | 1976 | 910,912 | | 1975 | 897,934 | | 1974 | 885,272 | | 1973 | 872,912 | | 1972 | 860,736 | | 1971 | 849,108 | | 1970 | 837,604 | | 1969 | 825,644 | | 1968 | 813,749 | | 1967 | 802,234 | | 1966 | 791,038 | | 1965 | 780,336 | | 1964 | 770,197 | | 1963 | 760,438 | | 1962 | 751,902 | | 1961 | 742,872 | | 1960 | 733,351 |
|