| Year | Value | | 2022 | 1,491,097 | | 2021 | 1,485,775 | | 2020 | 1,477,591 | | 2019 | 1,470,358 | | 2018 | 1,465,151 | | 2017 | 1,467,255 | | 2016 | 1,479,125 | | 2015 | 1,495,328 | | 2014 | 1,512,093 | | 2013 | 1,527,309 | | 2012 | 1,540,224 | | 2011 | 1,550,118 | | 2010 | 1,555,987 | | 2009 | 1,556,768 | | 2008 | 1,551,874 | | 2007 | 1,543,115 | | 2006 | 1,533,448 | | 2005 | 1,528,351 | | 2004 | 1,529,791 | | 2003 | 1,536,578 | | 2002 | 1,547,306 | | 2001 | 1,559,286 | | 2000 | 1,569,484 | | 1999 | 1,578,095 | | 1998 | 1,587,089 | | 1997 | 1,595,534 | | 1996 | 1,603,278 | | 1995 | 1,609,580 | | 1994 | 1,613,254 | | 1993 | 1,614,605 | | 1992 | 1,613,011 | | 1991 | 1,607,422 | | 1990 | 1,597,686 | | 1989 | 1,584,146 | | 1988 | 1,567,697 | | 1987 | 1,549,287 | | 1986 | 1,529,601 | | 1985 | 1,509,269 | | 1984 | 1,489,344 | | 1983 | 1,469,827 | | 1982 | 1,450,899 | | 1981 | 1,432,722 | | 1980 | 1,414,378 | | 1979 | 1,396,012 | | 1978 | 1,377,908 | | 1977 | 1,359,402 | | 1976 | 1,340,197 | | 1975 | 1,319,254 | | 1974 | 1,296,012 | | 1973 | 1,271,174 | | 1972 | 1,245,391 | | 1971 | 1,219,041 | | 1970 | 1,196,199 | | 1969 | 1,173,514 | | 1968 | 1,147,173 | | 1967 | 1,120,609 | | 1966 | 1,093,863 | | 1965 | 1,066,920 | | 1964 | 1,039,479 | | 1963 | 1,011,908 | | 1962 | 984,392 | | 1961 | 956,666 | | 1960 | 929,006 |
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