| 序号 | 时间 (年) |
数据 (张/千人) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 9.46 |
| 8 | 2015 | 7.24 |
| 9 | 2014 | 8.75 |
| 10 | 2013 | 8.06 |
| 11 | 2012 | 7.20 |
| 12 | 2011 | 6.66 |
| 13 | 2010 | 6.23 |
| 14 | 2009 | 6.29 |
| 15 | 2008 | 5.42 |
| 16 | 2007 | 4.91 |
| 17 | 2006 | 4.49 |
| 18 | 2005 | 4.32 |
| 19 | 2004 | 3.87 |
| 20 | 2003 | 3.72 |
| 21 | 2000 | 3.53 |
| 22 | 1995 | 3.80 |
| 23 | 1990 | 3.34 |
| 24 | 1978 | 2.85 |
| 25 | 1965 | 2.34 |
| 26 | 1949 | 0.24 |
