| Year | Value | | 2022 | 952,594 | | 2021 | 913,641 | | 2020 | 912,230 | | 2019 | 919,870 | | 2018 | 935,780 | | 2017 | 959,309 | | 2016 | 986,648 | | 2015 | 1,015,351 | | 2014 | 1,050,958 | | 2013 | 1,095,225 | | 2012 | 1,142,373 | | 2011 | 1,193,843 | | 2010 | 1,248,725 | | 2009 | 1,302,972 | | 2008 | 1,346,482 | | 2007 | 1,388,820 | | 2006 | 1,429,416 | | 2005 | 1,474,422 | | 2004 | 1,528,383 | | 2003 | 1,586,214 | | 2002 | 1,637,055 | | 2001 | 1,666,570 | | 2000 | 1,684,291 | | 1999 | 1,704,379 | | 1998 | 1,682,291 | | 1997 | 1,655,847 | | 1996 | 1,641,546 | | 1995 | 1,630,734 | | 1994 | 1,609,866 | | 1993 | 1,583,083 | | 1992 | 1,553,261 | | 1991 | 1,513,798 | | 1990 | 1,467,512 | | 1989 | 1,420,219 | | 1988 | 1,366,803 | | 1987 | 1,319,101 | | 1986 | 1,292,597 | | 1985 | 1,280,882 | | 1984 | 1,283,536 | | 1983 | 1,303,600 | | 1982 | 1,335,595 | | 1981 | 1,375,010 | | 1980 | 1,423,693 | | 1979 | 1,483,521 | | 1978 | 1,549,191 | | 1977 | 1,616,113 | | 1976 | 1,679,741 | | 1975 | 1,734,975 | | 1974 | 1,771,767 | | 1973 | 1,786,414 | | 1972 | 1,787,910 | | 1971 | 1,781,516 | | 1970 | 1,766,857 | | 1969 | 1,733,547 | | 1968 | 1,691,569 | | 1967 | 1,643,931 | | 1966 | 1,580,035 | | 1965 | 1,476,424 | | 1964 | 1,348,037 | | 1963 | 1,220,795 | | 1962 | 1,098,211 | | 1961 | 1,007,640 | | 1960 | 985,580 |
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