| Year | Value | | 2022 | 5,684,963 | | 2021 | 5,490,791 | | 2020 | 5,288,732 | | 2019 | 5,071,480 | | 2018 | 4,848,827 | | 2017 | 4,628,859 | | 2016 | 4,412,151 | | 2015 | 4,200,183 | | 2014 | 4,004,931 | | 2013 | 3,841,333 | | 2012 | 3,716,148 | | 2011 | 3,634,383 | | 2010 | 3,589,605 | | 2009 | 3,561,732 | | 2008 | 3,537,815 | | 2007 | 3,513,215 | | 2006 | 3,481,138 | | 2005 | 3,445,867 | | 2004 | 3,414,174 | | 2003 | 3,377,814 | | 2002 | 3,333,358 | | 2001 | 3,281,765 | | 2000 | 3,221,829 | | 1999 | 3,152,868 | | 1998 | 3,075,888 | | 1997 | 2,993,018 | | 1996 | 2,906,220 | | 1995 | 2,817,426 | | 1994 | 2,727,738 | | 1993 | 2,636,990 | | 1992 | 2,544,541 | | 1991 | 2,450,170 | | 1990 | 2,352,158 | | 1989 | 2,250,457 | | 1988 | 2,147,680 | | 1987 | 2,047,098 | | 1986 | 1,951,963 | | 1985 | 1,866,097 | | 1984 | 1,792,471 | | 1983 | 1,731,016 | | 1982 | 1,680,583 | | 1981 | 1,639,944 | | 1980 | 1,607,027 | | 1979 | 1,580,004 | | 1978 | 1,557,043 | | 1977 | 1,535,725 | | 1976 | 1,513,797 | | 1975 | 1,489,145 | | 1974 | 1,460,191 | | 1973 | 1,426,665 | | 1972 | 1,389,235 | | 1971 | 1,348,722 | | 1970 | 1,305,869 | | 1969 | 1,261,250 | | 1968 | 1,215,345 | | 1967 | 1,168,675 | | 1966 | 1,122,135 | | 1965 | 1,078,676 | | 1964 | 1,034,392 | | 1963 | 987,981 | | 1962 | 945,025 | | 1961 | 906,728 | | 1960 | 872,780 |
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