Year | Value | 2022 | 416,576 | 2021 | 421,861 | 2020 | 420,951 | 2019 | 412,959 | 2018 | 403,706 | 2017 | 394,291 | 2016 | 386,318 | 2015 | 381,904 | 2014 | 380,657 | 2013 | 380,446 | 2012 | 380,169 | 2011 | 380,672 | 2010 | 380,903 | 2009 | 377,680 | 2008 | 371,483 | 2007 | 364,522 | 2006 | 357,434 | 2005 | 350,912 | 2004 | 346,332 | 2003 | 344,709 | 2002 | 345,754 | 2001 | 346,624 | 2000 | 344,302 | 1999 | 337,972 | 1998 | 327,031 | 1997 | 312,390 | 1996 | 299,092 | 1995 | 291,700 | 1994 | 291,369 | 1993 | 297,491 | 1992 | 307,848 | 1991 | 318,719 | 1990 | 326,632 | 1989 | 332,100 | 1988 | 336,258 | 1987 | 338,320 | 1986 | 338,740 | 1985 | 338,290 | 1984 | 337,441 | 1983 | 336,554 | 1982 | 335,363 | 1981 | 332,785 | 1980 | 327,348 | 1979 | 319,679 | 1978 | 308,669 | 1977 | 295,384 | 1976 | 281,425 | 1975 | 267,482 | 1974 | 256,808 | 1973 | 249,627 | 1972 | 244,629 | 1971 | 241,663 | 1970 | 241,696 | 1969 | 244,571 | 1968 | 248,678 | 1967 | 252,630 | 1966 | 255,476 | 1965 | 256,504 | 1964 | 255,605 | 1963 | 252,664 | 1962 | 247,858 | 1961 | 241,102 | 1960 | 233,345 |
|