| Year | Value | | 2022 | 1,018,119 | | 2021 | 968,035 | | 2020 | 939,245 | | 2019 | 934,018 | | 2018 | 967,061 | | 2017 | 1,044,529 | | 2016 | 1,147,218 | | 2015 | 1,263,629 | | 2014 | 1,389,523 | | 2013 | 1,509,406 | | 2012 | 1,587,649 | | 2011 | 1,604,665 | | 2010 | 1,585,720 | | 2009 | 1,550,861 | | 2008 | 1,506,381 | | 2007 | 1,447,376 | | 2006 | 1,386,717 | | 2005 | 1,343,607 | | 2004 | 1,310,389 | | 2003 | 1,280,507 | | 2002 | 1,253,623 | | 2001 | 1,230,021 | | 2000 | 1,211,958 | | 1999 | 1,197,767 | | 1998 | 1,183,158 | | 1997 | 1,166,571 | | 1996 | 1,148,367 | | 1995 | 1,131,435 | | 1994 | 1,117,661 | | 1993 | 1,108,052 | | 1992 | 1,103,605 | | 1991 | 1,101,202 | | 1990 | 1,095,593 | | 1989 | 1,084,642 | | 1988 | 1,068,331 | | 1987 | 1,046,834 | | 1986 | 1,022,282 | | 1985 | 997,680 | | 1984 | 974,174 | | 1983 | 951,313 | | 1982 | 930,219 | | 1981 | 908,839 | | 1980 | 883,838 | | 1979 | 856,793 | | 1978 | 829,352 | | 1977 | 802,265 | | 1976 | 776,464 | | 1975 | 752,450 | | 1974 | 729,264 | | 1973 | 705,456 | | 1972 | 680,774 | | 1971 | 655,634 | | 1970 | 630,174 | | 1969 | 605,078 | | 1968 | 581,505 | | 1967 | 559,696 | | 1966 | 539,402 | | 1965 | 520,846 | | 1964 | 503,986 | | 1963 | 488,313 | | 1962 | 473,311 | | 1961 | 458,652 | | 1960 | 443,878 |
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