| Year | Value | | 2022 | 1,471,177 | | 2021 | 1,468,750 | | 2020 | 1,465,970 | | 2019 | 1,472,321 | | 2018 | 1,488,640 | | 2017 | 1,506,141 | | 2016 | 1,525,623 | | 2015 | 1,547,430 | | 2014 | 1,564,600 | | 2013 | 1,572,117 | | 2012 | 1,573,719 | | 2011 | 1,572,102 | | 2010 | 1,567,630 | | 2009 | 1,563,228 | | 2008 | 1,559,162 | | 2007 | 1,550,655 | | 2006 | 1,536,278 | | 2005 | 1,516,548 | | 2004 | 1,489,841 | | 2003 | 1,464,479 | | 2002 | 1,442,075 | | 2001 | 1,415,997 | | 2000 | 1,389,242 | | 1999 | 1,362,948 | | 1998 | 1,336,735 | | 1997 | 1,310,066 | | 1996 | 1,281,961 | | 1995 | 1,251,410 | | 1994 | 1,223,474 | | 1993 | 1,200,371 | | 1992 | 1,178,534 | | 1991 | 1,158,700 | | 1990 | 1,138,878 | | 1989 | 1,118,714 | | 1988 | 1,099,362 | | 1987 | 1,080,756 | | 1986 | 1,062,283 | | 1985 | 1,039,981 | | 1984 | 1,014,844 | | 1983 | 988,741 | | 1982 | 959,975 | | 1981 | 929,342 | | 1980 | 897,235 | | 1979 | 864,402 | | 1978 | 832,509 | | 1977 | 801,144 | | 1976 | 772,263 | | 1975 | 746,183 | | 1974 | 719,976 | | 1973 | 687,461 | | 1972 | 648,203 | | 1971 | 607,209 | | 1970 | 566,050 | | 1969 | 528,383 | | 1968 | 501,944 | | 1967 | 487,218 | | 1966 | 477,956 | | 1965 | 472,946 | | 1964 | 472,411 | | 1963 | 476,239 | | 1962 | 481,750 | | 1961 | 487,071 | | 1960 | 491,421 |
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