Year | Value | 2023 | 581,342 | 2022 | 573,238 | 2021 | 565,118 | 2020 | 556,871 | 2019 | 548,432 | 2018 | 539,850 | 2017 | 531,163 | 2016 | 522,406 | 2015 | 513,575 | 2014 | 504,618 | 2013 | 495,528 | 2012 | 486,361 | 2011 | 477,148 | 2010 | 467,876 | 2009 | 458,393 | 2008 | 448,868 | 2007 | 439,631 | 2006 | 430,122 | 2005 | 421,709 | 2004 | 415,093 | 2003 | 408,733 | 2002 | 399,740 | 2001 | 387,616 | 2000 | 375,649 | 1999 | 364,134 | 1998 | 351,730 | 1997 | 337,988 | 1996 | 326,278 | 1995 | 318,673 | 1994 | 315,535 | 1993 | 309,317 | 1992 | 315,181 | 1991 | 317,642 | 1990 | 291,702 | 1989 | 263,468 | 1988 | 243,964 | 1987 | 228,844 | 1986 | 214,759 | 1985 | 202,885 | 1984 | 193,531 | 1983 | 186,254 | 1982 | 179,898 | 1981 | 172,959 | 1980 | 164,301 | 1979 | 153,584 | 1978 | 141,261 | 1977 | 128,461 | 1976 | 116,434 | 1975 | 105,943 | 1974 | 97,229 |
|