Indicator
|
|
1981 | 308 | 84 |
1982 | 388 | 126 |
1983 | 477 | 138 |
1984 | 496 | 143 |
1985 | 486 | 161 |
1986 | 665 | 174 |
1987 | 742 | 239 |
1988 | 766 | 244 |
1989 | 797 | 274 |
1990 | 1,006 | 370 |
1991 | 1,107 | 413 |
1992 | 1,354 | 502 |
1993 | 1,634 | 598 |
1994 | 2,197 | 665 |
1995 | 2,402 | 815 |
1996 | 2,710 | 975 |
1997 | 3,172 | 1,127 |
1998 | 3,677 | 1,298 |
1999 | 4,114 | 1,622 |
2000 | 4,487 | 1,724 |
2001 | 4,892 | 2,003 |
2002 | 5,550 | 2,235 |
2003 | 6,139 | 2,509 |
2004 | 6,973 | 2,959 |
2005 | 7,566 | 3,158 |
2006 | 9,441 | 4,155 |
2007 | 10,499 | 4,483 |
2008 | 12,511 | 5,378 |
2009 | 13,897 | 5,895 |
2010 | 16,196 | 6,769 |
2011 | 17,459 | 7,700 |
2012 | 19,052 | 8,455 |
2013 | 20,818 | 9,422 |
2014 | 22,321 | 10,341 |
2015 | 23,412 | 11,198 |
2016 | 24,396 | 12,416 |
2017 | 24,748 | 12,768 |
2018 | 24,026 | 13,184 |