| Year | Value | | 2022 | 1,628,508 | | 2021 | 1,633,814 | | 2020 | 1,637,851 | | 2019 | 1,637,859 | | 2018 | 1,634,021 | | 2017 | 1,635,651 | | 2016 | 1,642,017 | | 2015 | 1,646,445 | | 2014 | 1,641,667 | | 2013 | 1,627,530 | | 2012 | 1,606,072 | | 2011 | 1,575,476 | | 2010 | 1,535,120 | | 2009 | 1,495,653 | | 2008 | 1,464,076 | | 2007 | 1,441,315 | | 2006 | 1,433,059 | | 2005 | 1,441,545 | | 2004 | 1,457,754 | | 2003 | 1,473,223 | | 2002 | 1,481,429 | | 2001 | 1,477,899 | | 2000 | 1,465,365 | | 1999 | 1,446,139 | | 1998 | 1,421,789 | | 1997 | 1,394,669 | | 1996 | 1,370,842 | | 1995 | 1,355,299 | | 1994 | 1,351,034 | | 1993 | 1,352,898 | | 1992 | 1,349,300 | | 1991 | 1,335,250 | | 1990 | 1,311,264 | | 1989 | 1,280,587 | | 1988 | 1,245,845 | | 1987 | 1,208,799 | | 1986 | 1,170,910 | | 1985 | 1,133,144 | | 1984 | 1,096,058 | | 1983 | 1,060,089 | | 1982 | 1,023,183 | | 1981 | 985,408 | | 1980 | 950,467 | | 1979 | 916,898 | | 1978 | 883,009 | | 1977 | 849,691 | | 1976 | 814,091 | | 1975 | 772,326 | | 1974 | 730,368 | | 1973 | 693,400 | | 1972 | 659,458 | | 1971 | 628,472 | | 1970 | 600,092 | | 1969 | 574,056 | | 1968 | 549,850 | | 1967 | 526,902 | | 1966 | 505,448 | | 1965 | 485,618 | | 1964 | 467,046 | | 1963 | 449,843 | | 1962 | 434,120 | | 1961 | 419,551 | | 1960 | 405,958 |
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