Year | Value | 2022 | 295,702 | 2021 | 286,927 | 2020 | 282,324 | 2019 | 282,328 | 2018 | 285,081 | 2017 | 289,921 | 2016 | 296,963 | 2015 | 304,134 | 2014 | 312,077 | 2013 | 322,157 | 2012 | 331,601 | 2011 | 338,943 | 2010 | 345,311 | 2009 | 349,964 | 2008 | 352,158 | 2007 | 352,621 | 2006 | 351,111 | 2005 | 346,727 | 2004 | 339,223 | 2003 | 329,453 | 2002 | 319,587 | 2001 | 310,741 | 2000 | 301,869 | 1999 | 292,303 | 1998 | 283,010 | 1997 | 274,608 | 1996 | 265,543 | 1995 | 258,349 | 1994 | 255,706 | 1993 | 256,205 | 1992 | 258,512 | 1991 | 257,739 | 1990 | 249,404 | 1989 | 242,677 | 1988 | 240,364 | 1987 | 236,086 | 1986 | 239,956 | 1985 | 258,430 | 1984 | 275,590 | 1983 | 276,821 | 1982 | 267,678 | 1981 | 252,072 | 1980 | 229,625 | 1979 | 206,863 | 1978 | 195,605 | 1977 | 196,982 | 1976 | 201,592 | 1975 | 208,025 | 1974 | 214,876 | 1973 | 220,596 | 1972 | 225,153 | 1971 | 229,911 | 1970 | 236,880 | 1969 | 246,180 | 1968 | 257,064 | 1967 | 268,308 | 1966 | 277,981 | 1965 | 283,248 | 1964 | 279,243 | 1963 | 261,007 | 1962 | 233,939 | 1961 | 207,169 | 1960 | 186,580 |
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