| Year | Value | | 2022 | 1,833,472 | | 2021 | 1,800,206 | | 2020 | 1,787,172 | | 2019 | 1,782,016 | | 2018 | 1,771,433 | | 2017 | 1,766,044 | | 2016 | 1,762,031 | | 2015 | 1,757,027 | | 2014 | 1,753,292 | | 2013 | 1,749,397 | | 2012 | 1,752,185 | | 2011 | 1,755,421 | | 2010 | 1,754,316 | | 2009 | 1,753,402 | | 2008 | 1,748,067 | | 2007 | 1,735,437 | | 2006 | 1,717,133 | | 2005 | 1,692,438 | | 2004 | 1,666,313 | | 2003 | 1,642,605 | | 2002 | 1,620,146 | | 2001 | 1,597,890 | | 2000 | 1,573,067 | | 1999 | 1,543,923 | | 1998 | 1,510,348 | | 1997 | 1,474,231 | | 1996 | 1,438,462 | | 1995 | 1,404,233 | | 1994 | 1,373,666 | | 1993 | 1,345,636 | | 1992 | 1,321,832 | | 1991 | 1,300,266 | | 1990 | 1,278,427 | | 1989 | 1,258,956 | | 1988 | 1,239,986 | | 1987 | 1,221,519 | | 1986 | 1,202,564 | | 1985 | 1,185,566 | | 1984 | 1,171,937 | | 1983 | 1,159,602 | | 1982 | 1,147,616 | | 1981 | 1,135,554 | | 1980 | 1,123,124 | | 1979 | 1,107,416 | | 1978 | 1,087,620 | | 1977 | 1,064,825 | | 1976 | 1,038,807 | | 1975 | 1,010,414 | | 1974 | 980,898 | | 1973 | 950,109 | | 1972 | 917,468 | | 1971 | 885,656 | | 1970 | 854,797 | | 1969 | 828,423 | | 1968 | 806,156 | | 1967 | 784,135 | | 1966 | 763,530 | | 1965 | 743,181 | | 1964 | 720,517 | | 1963 | 697,286 | | 1962 | 676,646 | | 1961 | 659,328 | | 1960 | 646,045 |
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