Year | Value | 2022 | 499,586 | 2021 | 501,240 | 2020 | 506,106 | 2019 | 513,568 | 2018 | 518,897 | 2017 | 518,310 | 2016 | 507,920 | 2015 | 486,578 | 2014 | 456,661 | 2013 | 421,475 | 2012 | 387,111 | 2011 | 361,101 | 2010 | 344,414 | 2009 | 334,196 | 2008 | 331,024 | 2007 | 331,202 | 2006 | 330,595 | 2005 | 329,221 | 2004 | 327,430 | 2003 | 324,844 | 2002 | 322,008 | 2001 | 318,495 | 2000 | 313,738 | 1999 | 308,206 | 1998 | 302,320 | 1997 | 295,883 | 1996 | 289,158 | 1995 | 282,355 | 1994 | 275,311 | 1993 | 268,127 | 1992 | 260,662 | 1991 | 252,517 | 1990 | 243,963 | 1989 | 235,509 | 1988 | 227,491 | 1987 | 220,431 | 1986 | 214,836 | 1985 | 210,401 | 1984 | 206,599 | 1983 | 203,343 | 1982 | 200,381 | 1981 | 197,349 | 1980 | 195,193 | 1979 | 193,666 | 1978 | 191,544 | 1977 | 189,156 | 1976 | 186,925 | 1975 | 184,973 | 1974 | 183,217 | 1973 | 181,422 | 1972 | 179,489 | 1971 | 177,642 | 1970 | 176,068 | 1969 | 174,890 | 1968 | 174,297 | 1967 | 174,007 | 1966 | 173,314 | 1965 | 171,777 | 1964 | 169,436 | 1963 | 166,279 | 1962 | 162,375 | 1961 | 158,228 | 1960 | 154,149 |
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