| Year | Value | | 2022 | 1,715,938 | | 2021 | 1,771,047 | | 2020 | 1,829,916 | | 2019 | 1,874,827 | | 2018 | 1,905,533 | | 2017 | 1,931,541 | | 2016 | 1,950,653 | | 2015 | 1,959,796 | | 2014 | 1,962,750 | | 2013 | 1,963,021 | | 2012 | 1,952,897 | | 2011 | 1,926,914 | | 2010 | 1,889,944 | | 2009 | 1,849,194 | | 2008 | 1,805,300 | | 2007 | 1,755,164 | | 2006 | 1,710,138 | | 2005 | 1,679,434 | | 2004 | 1,663,601 | | 2003 | 1,663,704 | | 2002 | 1,680,845 | | 2001 | 1,707,228 | | 2000 | 1,732,805 | | 1999 | 1,755,265 | | 1998 | 1,776,050 | | 1997 | 1,798,747 | | 1996 | 1,825,697 | | 1995 | 1,855,029 | | 1994 | 1,877,535 | | 1993 | 1,891,189 | | 1992 | 1,897,314 | | 1991 | 1,889,616 | | 1990 | 1,871,797 | | 1989 | 1,850,842 | | 1988 | 1,825,165 | | 1987 | 1,797,345 | | 1986 | 1,776,603 | | 1985 | 1,766,365 | | 1984 | 1,761,249 | | 1983 | 1,748,143 | | 1982 | 1,722,034 | | 1981 | 1,692,545 | | 1980 | 1,664,032 | | 1979 | 1,647,953 | | 1978 | 1,665,261 | | 1977 | 1,723,312 | | 1976 | 1,814,378 | | 1975 | 1,915,437 | | 1974 | 2,009,998 | | 1973 | 2,097,556 | | 1972 | 2,171,866 | | 1971 | 2,223,216 | | 1970 | 2,264,829 | | 1969 | 2,308,695 | | 1968 | 2,340,097 | | 1967 | 2,353,028 | | 1966 | 2,348,414 | | 1965 | 2,322,787 | | 1964 | 2,272,797 | | 1963 | 2,213,170 | | 1962 | 2,153,028 | | 1961 | 2,090,218 | | 1960 | 2,027,530 |
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