| Year | Value | | 2022 | 1,727,633 | | 2021 | 1,729,671 | | 2020 | 1,733,469 | | 2019 | 1,731,990 | | 2018 | 1,725,774 | | 2017 | 1,718,677 | | 2016 | 1,706,185 | | 2015 | 1,689,022 | | 2014 | 1,669,154 | | 2013 | 1,646,740 | | 2012 | 1,623,038 | | 2011 | 1,596,929 | | 2010 | 1,568,453 | | 2009 | 1,540,723 | | 2008 | 1,512,899 | | 2007 | 1,483,782 | | 2006 | 1,458,097 | | 2005 | 1,437,159 | | 2004 | 1,419,484 | | 2003 | 1,404,524 | | 2002 | 1,391,374 | | 2001 | 1,379,221 | | 2000 | 1,368,952 | | 1999 | 1,362,108 | | 1998 | 1,359,674 | | 1997 | 1,360,555 | | 1996 | 1,361,646 | | 1995 | 1,361,610 | | 1994 | 1,359,635 | | 1993 | 1,351,926 | | 1992 | 1,344,284 | | 1991 | 1,333,200 | | 1990 | 1,310,513 | | 1989 | 1,283,102 | | 1988 | 1,255,191 | | 1987 | 1,227,209 | | 1986 | 1,199,094 | | 1985 | 1,172,271 | | 1984 | 1,146,020 | | 1983 | 1,119,657 | | 1982 | 1,092,596 | | 1981 | 1,064,886 | | 1980 | 1,037,851 | | 1979 | 1,012,952 | | 1978 | 986,938 | | 1977 | 956,863 | | 1976 | 925,038 | | 1975 | 893,984 | | 1974 | 866,004 | | 1973 | 844,009 | | 1972 | 826,707 | | 1971 | 811,488 | | 1970 | 798,448 | | 1969 | 787,677 | | 1968 | 778,015 | | 1967 | 769,397 | | 1966 | 760,951 | | 1965 | 751,793 | | 1964 | 742,338 | | 1963 | 731,595 | | 1962 | 719,229 | | 1961 | 705,525 | | 1960 | 691,971 |
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