| Year | Value | | 2022 | 1,866,154 | | 2021 | 1,834,472 | | 2020 | 1,802,355 | | 2019 | 1,773,958 | | 2018 | 1,747,412 | | 2017 | 1,723,370 | | 2016 | 1,707,716 | | 2015 | 1,695,227 | | 2014 | 1,687,076 | | 2013 | 1,673,718 | | 2012 | 1,652,054 | | 2011 | 1,629,719 | | 2010 | 1,599,986 | | 2009 | 1,568,303 | | 2008 | 1,529,533 | | 2007 | 1,490,034 | | 2006 | 1,467,258 | | 2005 | 1,443,290 | | 2004 | 1,409,206 | | 2003 | 1,354,578 | | 2002 | 1,301,839 | | 2001 | 1,259,330 | | 2000 | 1,224,856 | | 1999 | 1,203,350 | | 1998 | 1,181,255 | | 1997 | 1,163,731 | | 1996 | 1,150,146 | | 1995 | 1,096,976 | | 1994 | 1,039,886 | | 1993 | 1,009,578 | | 1992 | 979,663 | | 1991 | 1,040,354 | | 1990 | 1,097,182 | | 1989 | 1,072,855 | | 1988 | 1,046,998 | | 1987 | 1,020,845 | | 1986 | 994,986 | | 1985 | 969,283 | | 1984 | 943,827 | | 1983 | 918,327 | | 1982 | 893,301 | | 1981 | 869,115 | | 1980 | 845,746 | | 1979 | 823,053 | | 1978 | 800,991 | | 1977 | 779,502 | | 1976 | 758,607 | | 1975 | 738,425 | | 1974 | 718,953 | | 1973 | 700,207 | | 1972 | 682,090 | | 1971 | 664,496 | | 1970 | 647,449 | | 1969 | 631,052 | | 1968 | 615,245 | | 1967 | 599,865 | | 1966 | 584,885 | | 1965 | 570,303 | | 1964 | 556,123 | | 1963 | 542,409 | | 1962 | 529,191 | | 1961 | 516,537 | | 1960 | 504,508 |
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