年度 | 实际值 |
---|---|
1995 | 23 |
1996 | 26.5 |
1997 | 26.5 |
1998 | 18.8 |
1999 | 18.6 |
2000 | 18.5 |
2001 | 19.19 |
2002 | 19.94 |
2003 | 23.93 |
2004 | 26.93 |
2005 | 31.66 |
2006 | 35.6 |
2007 | 37.42 |
2008 | 39.88 |
2009 | |
2010 | 41.97 |
2011 | 44.96 |
2012 | 41.83 |
2013 | 42.04 |
2014 | 39.64 |
2015 | 40.42 |
2016 | 43.73 |
2017 | |
2018 | 41.27 |