| Year | Value | | 2022 | 1,884,242 | | 2021 | 1,858,516 | | 2020 | 1,845,210 | | 2019 | 1,831,295 | | 2018 | 1,812,648 | | 2017 | 1,783,669 | | 2016 | 1,751,561 | | 2015 | 1,723,462 | | 2014 | 1,691,864 | | 2013 | 1,661,169 | | 2012 | 1,637,597 | | 2011 | 1,604,956 | | 2010 | 1,557,980 | | 2009 | 1,504,504 | | 2008 | 1,450,673 | | 2007 | 1,398,345 | | 2006 | 1,349,428 | | 2005 | 1,305,830 | | 2004 | 1,275,863 | | 2003 | 1,263,861 | | 2002 | 1,247,572 | | 2001 | 1,226,017 | | 2000 | 1,221,383 | | 1999 | 1,216,616 | | 1998 | 1,193,656 | | 1997 | 1,158,970 | | 1996 | 1,118,263 | | 1995 | 1,086,753 | | 1994 | 1,043,320 | | 1993 | 986,321 | | 1992 | 963,830 | | 1991 | 986,996 | | 1990 | 1,015,691 | | 1989 | 1,052,796 | | 1988 | 1,113,123 | | 1987 | 1,159,734 | | 1986 | 1,177,026 | | 1985 | 1,183,722 | | 1984 | 1,189,377 | | 1983 | 1,184,424 | | 1982 | 1,171,139 | | 1981 | 1,157,273 | | 1980 | 1,140,254 | | 1979 | 1,122,761 | | 1978 | 1,106,820 | | 1977 | 1,093,973 | | 1976 | 1,079,838 | | 1975 | 1,060,888 | | 1974 | 1,035,906 | | 1973 | 1,004,872 | | 1972 | 969,972 | | 1971 | 936,410 | | 1970 | 907,471 | | 1969 | 896,585 | | 1968 | 899,126 | | 1967 | 899,144 | | 1966 | 903,749 | | 1965 | 913,204 | | 1964 | 913,915 | | 1963 | 904,752 | | 1962 | 893,364 | | 1961 | 880,770 | | 1960 | 864,984 |
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