| Year | Value | | 2022 | 3,284,712 | | 2021 | 3,287,531 | | 2020 | 3,283,014 | | 2019 | 3,275,346 | | 2018 | 3,250,600 | | 2017 | 3,227,553 | | 2016 | 3,198,732 | | 2015 | 3,161,982 | | 2014 | 3,123,412 | | 2013 | 3,083,141 | | 2012 | 3,042,138 | | 2011 | 3,002,437 | | 2010 | 2,952,467 | | 2009 | 2,890,041 | | 2008 | 2,834,682 | | 2007 | 2,789,638 | | 2006 | 2,752,933 | | 2005 | 2,698,775 | | 2004 | 2,643,425 | | 2003 | 2,632,705 | | 2002 | 2,622,578 | | 2001 | 2,573,774 | | 2000 | 2,539,620 | | 1999 | 2,513,779 | | 1998 | 2,434,998 | | 1997 | 2,334,451 | | 1996 | 2,260,874 | | 1995 | 2,173,799 | | 1994 | 2,075,154 | | 1993 | 1,971,971 | | 1992 | 1,898,765 | | 1991 | 1,857,498 | | 1990 | 1,827,039 | | 1989 | 1,809,377 | | 1988 | 1,831,278 | | 1987 | 1,813,784 | | 1986 | 1,731,845 | | 1985 | 1,662,395 | | 1984 | 1,599,781 | | 1983 | 1,504,168 | | 1982 | 1,433,006 | | 1981 | 1,412,447 | | 1980 | 1,369,565 | | 1979 | 1,305,479 | | 1978 | 1,241,578 | | 1977 | 1,194,279 | | 1976 | 1,157,565 | | 1975 | 1,131,771 | | 1974 | 1,117,199 | | 1973 | 1,104,850 | | 1972 | 1,090,426 | | 1971 | 1,075,280 | | 1970 | 1,057,542 | | 1969 | 1,036,223 | | 1968 | 1,022,406 | | 1967 | 1,012,565 | | 1966 | 1,001,192 | | 1965 | 986,717 | | 1964 | 966,378 | | 1963 | 946,231 | | 1962 | 925,373 | | 1961 | 903,971 | | 1960 | 880,365 |
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