Year | Value | 2022 | 174,538 | 2021 | 179,282 | 2020 | 184,133 | 2019 | 192,114 | 2018 | 202,437 | 2017 | 208,791 | 2016 | 209,830 | 2015 | 210,819 | 2014 | 212,626 | 2013 | 216,490 | 2012 | 222,658 | 2011 | 229,130 | 2010 | 235,751 | 2009 | 242,401 | 2008 | 247,584 | 2007 | 250,481 | 2006 | 252,338 | 2005 | 254,436 | 2004 | 256,326 | 2003 | 258,565 | 2002 | 262,480 | 2001 | 267,474 | 2000 | 271,918 | 1999 | 274,452 | 1998 | 275,585 | 1997 | 275,127 | 1996 | 272,180 | 1995 | 267,698 | 1994 | 268,922 | 1993 | 266,665 | 1992 | 264,533 | 1991 | 264,413 | 1990 | 267,325 | 1989 | 268,754 | 1988 | 269,127 | 1987 | 269,992 | 1986 | 271,110 | 1985 | 273,185 | 1984 | 275,361 | 1983 | 274,807 | 1982 | 270,914 | 1981 | 265,895 | 1980 | 260,853 | 1979 | 259,474 | 1978 | 262,101 | 1977 | 269,634 | 1976 | 277,405 | 1975 | 285,626 | 1974 | 297,150 | 1973 | 305,067 | 1972 | 307,432 | 1971 | 307,145 | 1970 | 301,890 | 1969 | 290,089 | 1968 | 279,231 | 1967 | 271,888 | 1966 | 268,366 | 1965 | 268,236 | 1964 | 272,587 | 1963 | 279,955 | 1962 | 288,681 | 1961 | 297,986 | 1960 | 306,253 |
|