Year | Value | 2023 | 143,733 | 2022 | 146,167 | 2021 | 157,075 | 2020 | 160,143 | 2019 | 163,134 | 2018 | 165,887 | 2017 | 168,564 | 2016 | 172,030 | 2015 | 176,611 | 2014 | 182,604 | 2013 | 188,915 | 2012 | 193,728 | 2011 | 196,490 | 2010 | 196,572 | 2009 | 193,279 | 2008 | 187,970 | 2007 | 182,667 | 2006 | 178,117 | 2005 | 175,455 | 2004 | 174,445 | 2003 | 172,680 | 2002 | 169,940 | 2001 | 171,226 | 2000 | 173,463 | 1999 | 174,605 | 1998 | 180,741 | 1997 | 191,266 | 1996 | 202,848 | 1995 | 216,266 | 1994 | 231,610 | 1993 | 246,172 | 1992 | 260,402 | 1991 | 273,754 | 1990 | 283,989 | 1989 | 293,712 | 1988 | 300,419 | 1987 | 303,026 | 1986 | 305,565 | 1985 | 309,399 | 1984 | 315,450 | 1983 | 321,974 | 1982 | 329,249 | 1981 | 337,922 | 1980 | 346,436 | 1979 | 353,361 | 1978 | 358,505 | 1977 | 358,894 | 1976 | 355,629 | 1975 | 353,873 | 1974 | 352,919 |
|