| Year | Value | | 2022 | 1,680,672 | | 2021 | 1,682,645 | | 2020 | 1,686,626 | | 2019 | 1,685,461 | | 2018 | 1,679,576 | | 2017 | 1,672,816 | | 2016 | 1,660,335 | | 2015 | 1,643,405 | | 2014 | 1,624,385 | | 2013 | 1,602,945 | | 2012 | 1,579,960 | | 2011 | 1,554,723 | | 2010 | 1,527,107 | | 2009 | 1,499,433 | | 2008 | 1,471,734 | | 2007 | 1,443,048 | | 2006 | 1,416,990 | | 2005 | 1,395,568 | | 2004 | 1,377,895 | | 2003 | 1,363,419 | | 2002 | 1,351,647 | | 2001 | 1,341,460 | | 2000 | 1,333,003 | | 1999 | 1,326,971 | | 1998 | 1,324,487 | | 1997 | 1,324,914 | | 1996 | 1,325,579 | | 1995 | 1,325,535 | | 1994 | 1,323,536 | | 1993 | 1,316,059 | | 1992 | 1,308,672 | | 1991 | 1,297,817 | | 1990 | 1,275,874 | | 1989 | 1,249,529 | | 1988 | 1,222,532 | | 1987 | 1,195,546 | | 1986 | 1,168,233 | | 1985 | 1,141,845 | | 1984 | 1,116,122 | | 1983 | 1,090,655 | | 1982 | 1,065,048 | | 1981 | 1,039,216 | | 1980 | 1,013,723 | | 1979 | 989,953 | | 1978 | 964,547 | | 1977 | 934,791 | | 1976 | 903,761 | | 1975 | 874,308 | | 1974 | 848,013 | | 1973 | 826,660 | | 1972 | 809,507 | | 1971 | 794,439 | | 1970 | 781,463 | | 1969 | 770,602 | | 1968 | 761,054 | | 1967 | 752,449 | | 1966 | 744,374 | | 1965 | 736,184 | | 1964 | 727,519 | | 1963 | 717,352 | | 1962 | 705,494 | | 1961 | 692,046 | | 1960 | 678,657 |
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