| Year | Value | | 2022 | 1,653,544 | | 2021 | 1,868,666 | | 2020 | 1,836,738 | | 2019 | 1,800,687 | | 2018 | 1,749,922 | | 2017 | 1,709,537 | | 2016 | 1,694,678 | | 2015 | 1,686,239 | | 2014 | 1,676,190 | | 2013 | 1,672,382 | | 2012 | 1,672,780 | | 2011 | 1,673,284 | | 2010 | 1,664,690 | | 2009 | 1,649,820 | | 2008 | 1,634,813 | | 2007 | 1,620,127 | | 2006 | 1,606,061 | | 2005 | 1,600,631 | | 2004 | 1,616,725 | | 2003 | 1,664,066 | | 2002 | 1,728,487 | | 2001 | 1,802,120 | | 2000 | 1,887,445 | | 1999 | 1,966,961 | | 1998 | 2,018,387 | | 1997 | 2,043,979 | | 1996 | 2,051,449 | | 1995 | 2,034,740 | | 1994 | 2,009,956 | | 1993 | 1,980,692 | | 1992 | 1,945,267 | | 1991 | 1,922,078 | | 1990 | 1,914,786 | | 1989 | 1,921,950 | | 1988 | 1,914,307 | | 1987 | 1,867,945 | | 1986 | 1,795,163 | | 1985 | 1,669,949 | | 1984 | 1,502,193 | | 1983 | 1,363,134 | | 1982 | 1,284,772 | | 1981 | 1,305,447 | | 1980 | 1,442,398 | | 1979 | 1,645,435 | | 1978 | 1,883,453 | | 1977 | 2,130,348 | | 1976 | 2,264,337 | | 1975 | 2,261,873 | | 1974 | 2,150,038 | | 1973 | 1,942,396 | | 1972 | 1,728,310 | | 1971 | 1,581,255 | | 1970 | 1,565,917 | | 1969 | 1,669,985 | | 1968 | 1,838,951 | | 1967 | 1,989,294 | | 1966 | 2,092,836 | | 1965 | 2,140,929 | | 1964 | 2,138,569 | | 1963 | 2,098,751 | | 1962 | 2,028,225 | | 1961 | 1,928,408 | | 1960 | 1,795,760 |
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