| Year | Value | | 2022 | 5,823,519 | | 2021 | 5,671,751 | | 2020 | 5,521,543 | | 2019 | 5,363,902 | | 2018 | 5,201,150 | | 2017 | 5,027,045 | | 2016 | 4,850,798 | | 2015 | 4,683,190 | | 2014 | 4,527,988 | | 2013 | 4,387,206 | | 2012 | 4,258,849 | | 2011 | 4,137,946 | | 2010 | 4,021,955 | | 2009 | 3,912,830 | | 2008 | 3,812,213 | | 2007 | 3,718,658 | | 2006 | 3,633,769 | | 2005 | 3,558,428 | | 2004 | 3,488,630 | | 2003 | 3,421,037 | | 2002 | 3,353,404 | | 2001 | 3,282,065 | | 2000 | 3,206,530 | | 1999 | 3,127,843 | | 1998 | 3,046,659 | | 1997 | 2,961,713 | | 1996 | 2,873,389 | | 1995 | 2,787,427 | | 1994 | 2,711,381 | | 1993 | 2,641,155 | | 1992 | 2,572,228 | | 1991 | 2,507,868 | | 1990 | 2,444,458 | | 1989 | 2,380,434 | | 1988 | 2,320,803 | | 1987 | 2,262,319 | | 1986 | 2,201,650 | | 1985 | 2,142,794 | | 1984 | 2,084,780 | | 1983 | 2,029,496 | | 1982 | 1,974,469 | | 1981 | 1,917,590 | | 1980 | 1,865,183 | | 1979 | 1,813,293 | | 1978 | 1,758,263 | | 1977 | 1,706,435 | | 1976 | 1,658,110 | | 1975 | 1,612,260 | | 1974 | 1,569,831 | | 1973 | 1,530,010 | | 1972 | 1,493,213 | | 1971 | 1,458,672 | | 1970 | 1,424,789 | | 1969 | 1,391,282 | | 1968 | 1,357,678 | | 1967 | 1,324,547 | | 1966 | 1,292,637 | | 1965 | 1,260,952 | | 1964 | 1,229,597 | | 1963 | 1,199,480 | | 1962 | 1,171,041 | | 1961 | 1,144,413 | | 1960 | 1,121,459 |
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