| Year | Value | | 2022 | 1,864,678 | | 2021 | 1,819,653 | | 2020 | 1,781,028 | | 2019 | 1,747,980 | | 2018 | 1,717,002 | | 2017 | 1,689,714 | | 2016 | 1,666,229 | | 2015 | 1,649,452 | | 2014 | 1,638,779 | | 2013 | 1,629,842 | | 2012 | 1,620,062 | | 2011 | 1,605,835 | | 2010 | 1,580,660 | | 2009 | 1,543,060 | | 2008 | 1,499,727 | | 2007 | 1,452,771 | | 2006 | 1,403,859 | | 2005 | 1,354,364 | | 2004 | 1,306,022 | | 2003 | 1,258,627 | | 2002 | 1,211,151 | | 2001 | 1,163,447 | | 2000 | 1,115,764 | | 1999 | 1,068,677 | | 1998 | 1,021,062 | | 1997 | 973,840 | | 1996 | 928,969 | | 1995 | 885,709 | | 1994 | 842,885 | | 1993 | 802,371 | | 1992 | 765,449 | | 1991 | 730,854 | | 1990 | 698,310 | | 1989 | 667,742 | | 1988 | 639,093 | | 1987 | 611,367 | | 1986 | 584,949 | | 1985 | 559,628 | | 1984 | 534,966 | | 1983 | 511,320 | | 1982 | 488,611 | | 1981 | 467,610 | | 1980 | 448,560 | | 1979 | 431,110 | | 1978 | 415,092 | | 1977 | 400,241 | | 1976 | 386,217 | | 1975 | 373,194 | | 1974 | 361,394 | | 1973 | 350,831 | | 1972 | 341,376 | | 1971 | 332,779 | | 1970 | 324,892 | | 1969 | 319,345 | | 1968 | 316,600 | | 1967 | 316,224 | | 1966 | 317,528 | | 1965 | 318,568 | | 1964 | 317,355 | | 1963 | 313,862 | | 1962 | 308,608 | | 1961 | 302,015 | | 1960 | 296,026 |
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