| Year | Value | | 2022 | 4,770,888 | | 2021 | 4,730,818 | | 2020 | 4,689,970 | | 2019 | 4,649,315 | | 2018 | 4,610,967 | | 2017 | 4,568,816 | | 2016 | 4,522,745 | | 2015 | 4,475,238 | | 2014 | 4,423,543 | | 2013 | 4,369,084 | | 2012 | 4,313,738 | | 2011 | 4,254,328 | | 2010 | 4,186,597 | | 2009 | 4,111,969 | | 2008 | 4,032,135 | | 2007 | 3,946,252 | | 2006 | 3,856,731 | | 2005 | 3,770,982 | | 2004 | 3,689,906 | | 2003 | 3,608,528 | | 2002 | 3,526,719 | | 2001 | 3,444,503 | | 2000 | 3,355,435 | | 1999 | 3,256,682 | | 1998 | 3,151,807 | | 1997 | 3,041,606 | | 1996 | 2,929,234 | | 1995 | 2,819,891 | | 1994 | 2,715,503 | | 1993 | 2,615,611 | | 1992 | 2,520,773 | | 1991 | 2,430,610 | | 1990 | 2,342,190 | | 1989 | 2,251,814 | | 1988 | 2,159,020 | | 1987 | 2,066,418 | | 1986 | 1,977,593 | | 1985 | 1,895,742 | | 1984 | 1,825,870 | | 1983 | 1,768,284 | | 1982 | 1,719,866 | | 1981 | 1,680,082 | | 1980 | 1,643,579 | | 1979 | 1,603,202 | | 1978 | 1,557,122 | | 1977 | 1,506,203 | | 1976 | 1,447,206 | | 1975 | 1,384,891 | | 1974 | 1,328,650 | | 1973 | 1,282,674 | | 1972 | 1,247,893 | | 1971 | 1,219,182 | | 1970 | 1,196,969 | | 1969 | 1,179,154 | | 1968 | 1,158,628 | | 1967 | 1,134,242 | | 1966 | 1,106,425 | | 1965 | 1,076,196 | | 1964 | 1,044,620 | | 1963 | 1,011,641 | | 1962 | 976,932 | | 1961 | 940,547 | | 1960 | 903,113 |
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