| Year | Value | | 2022 | 1,226,408 | | 2021 | 1,206,406 | | 2020 | 1,207,226 | | 2019 | 1,208,485 | | 2018 | 1,210,872 | | 2017 | 1,215,056 | | 2016 | 1,220,668 | | 2015 | 1,229,821 | | 2014 | 1,254,269 | | 2013 | 1,286,121 | | 2012 | 1,320,278 | | 2011 | 1,351,331 | | 2010 | 1,375,527 | | 2009 | 1,381,038 | | 2008 | 1,370,186 | | 2007 | 1,352,958 | | 2006 | 1,334,133 | | 2005 | 1,312,430 | | 2004 | 1,290,645 | | 2003 | 1,265,898 | | 2002 | 1,235,349 | | 2001 | 1,199,937 | | 2000 | 1,165,201 | | 1999 | 1,131,798 | | 1998 | 1,102,565 | | 1997 | 1,081,612 | | 1996 | 1,061,002 | | 1995 | 1,028,863 | | 1994 | 986,242 | | 1993 | 939,366 | | 1992 | 888,091 | | 1991 | 835,842 | | 1990 | 793,478 | | 1989 | 758,115 | | 1988 | 721,756 | | 1987 | 689,996 | | 1986 | 663,828 | | 1985 | 647,016 | | 1984 | 635,214 | | 1983 | 626,898 | | 1982 | 623,560 | | 1981 | 623,018 | | 1980 | 624,335 | | 1979 | 626,277 | | 1978 | 628,251 | | 1977 | 627,876 | | 1976 | 627,051 | | 1975 | 627,263 | | 1974 | 627,579 | | 1973 | 628,015 | | 1972 | 628,473 | | 1971 | 628,253 | | 1970 | 613,147 | | 1969 | 600,072 | | 1968 | 582,444 | | 1967 | 564,419 | | 1966 | 548,897 | | 1965 | 536,694 | | 1964 | 527,419 | | 1963 | 519,090 | | 1962 | 510,466 | | 1961 | 499,958 | | 1960 | 486,789 |
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