| 序号 | 时间 (年) |
数据 (个) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 937.87 |
| 12 | 2010 | 908.68 |
| 13 | 2009 | 845.51 |
| 14 | 2008 | 744.78 |
| 15 | 2007 | 446.00 |
| 16 | 2005 | 421.85 |
| 17 | 2004 | 419.22 |
| 18 | 2003 | 413.47 |
| 19 | 2002 | 429.01 |
| 20 | 2001 | 424.49 |
| 21 | 2000 | 405.49 |
| 22 | 1999 | 398.89 |
| 23 | 1998 | 404.69 |
| 24 | 1997 | 389.17 |
| 25 | 1995 | 390.56 |
| 26 | 1990 | 418.57 |
| 27 | 1985 | 313.79 |
