| Year | Value | | 2022 | 1,492,512 | | 2021 | 1,478,839 | | 2020 | 1,469,189 | | 2019 | 1,463,464 | | 2018 | 1,464,509 | | 2017 | 1,471,300 | | 2016 | 1,478,021 | | 2015 | 1,485,060 | | 2014 | 1,497,408 | | 2013 | 1,513,063 | | 2012 | 1,529,670 | | 2011 | 1,548,333 | | 2010 | 1,566,999 | | 2009 | 1,581,122 | | 2008 | 1,589,637 | | 2007 | 1,596,041 | | 2006 | 1,603,160 | | 2005 | 1,609,198 | | 2004 | 1,612,821 | | 2003 | 1,612,888 | | 2002 | 1,608,012 | | 2001 | 1,598,617 | | 2000 | 1,585,791 | | 1999 | 1,570,200 | | 1998 | 1,551,222 | | 1997 | 1,528,881 | | 1996 | 1,505,416 | | 1995 | 1,483,835 | | 1994 | 1,461,106 | | 1993 | 1,436,562 | | 1992 | 1,412,289 | | 1991 | 1,386,790 | | 1990 | 1,358,802 | | 1989 | 1,329,059 | | 1988 | 1,299,376 | | 1987 | 1,270,720 | | 1986 | 1,243,915 | | 1985 | 1,217,711 | | 1984 | 1,192,302 | | 1983 | 1,167,780 | | 1982 | 1,143,476 | | 1981 | 1,118,568 | | 1980 | 1,092,467 | | 1979 | 1,065,619 | | 1978 | 1,037,359 | | 1977 | 1,006,335 | | 1976 | 973,899 | | 1975 | 941,438 | | 1974 | 908,709 | | 1973 | 876,674 | | 1972 | 845,505 | | 1971 | 815,089 | | 1970 | 785,690 | | 1969 | 756,477 | | 1968 | 720,259 | | 1967 | 677,559 | | 1966 | 637,014 | | 1965 | 599,892 | | 1964 | 566,739 | | 1963 | 544,803 | | 1962 | 532,990 | | 1961 | 523,285 | | 1960 | 515,458 |
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