| 序号 | 时间 (年) |
数据 (万只) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 40.86 |
| 8 | 2015 | 39.86 |
| 9 | 2014 | 38.77 |
| 10 | 2013 | 34.76 |
| 11 | 2012 | 29.47 |
| 12 | 2011 | 29.28 |
| 13 | 2010 | 30.36 |
| 14 | 2009 | 31.07 |
| 15 | 2008 | 33.19 |
| 16 | 2007 | 36.72 |
| 17 | 2005 | 37.18 |
| 18 | 2000 | 24.82 |
| 19 | 1995 | 17.87 |
| 20 | 1990 | 6.46 |
| 21 | 1985 | 7.11 |
