年度 | 实际值 |
---|---|
1999 | 23.2 |
2000 | 25.1 |
2001 | 27.18 |
2002 | 27.77 |
2003 | 31.89 |
2004 | 30.64 |
2005 | 32.16 |
2006 | 31.21 |
2007 | 28.84 |
2008 | 28.69 |
2009 | |
2010 | 26.2 |
2011 | 24.39 |
2012 | 24.77 |
2013 | 25.46 |
2014 | 27.06 |
2015 | 29.79 |
2016 | 37.03 |
2017 | |
2018 | 44.97 |