| 序号 |
时间(年) |
数据(单位：千公顷) |
| 1 |
2023 |
|
| 2 |
2021 |
|
| 3 |
2020 |
|
| 4 |
2019 |
|
| 5 |
2018 |
|
| 6 |
2017 |
|
| 7 |
2016 |
31.93 |
| 8 |
2015 |
31.77 |
| 9 |
2014 |
30.75 |
| 10 |
2013 |
36.30 |
| 11 |
2012 |
37.01 |
| 12 |
2011 |
37.34 |
| 13 |
2010 |
39.89 |
| 14 |
2009 |
40.02 |
| 15 |
2008 |
38.30 |
| 16 |
2007 |
41.38 |
| 17 |
2006 |
43.08 |
| 18 |
2005 |
44.80 |
| 19 |
2004 |
43.96 |
| 20 |
2003 |
41.36 |
| 21 |
2002 |
50.46 |
| 22 |
2001 |
53.67 |
| 23 |
2000 |
62.62 |
| 24 |
1999 |
72.92 |
| 25 |
1998 |
73.75 |
| 26 |
1997 |
72.19 |
| 27 |
1996 |
72.18 |
| 28 |
1995 |
70.71 |
| 29 |
1994 |
68.04 |
| 30 |
1993 |
68.81 |
| 31 |
1992 |
76.16 |
| 32 |
1991 |
77.96 |
| 33 |
1990 |
78.37 |
| 34 |
1989 |
73.42 |
| 35 |
1988 |
71.32 |
| 36 |
1987 |
75.02 |
| 37 |
1986 |
74.45 |
| 38 |
1985 |
75.79 |
| 39 |
1984 |
77.81 |
| 40 |
1983 |
79.46 |
| 41 |
1982 |
83.27 |
| 42 |
1981 |
83.50 |
| 43 |
1980 |
78.30 |
| 44 |
1979 |
80.07 |
| 45 |
1978 |
79.75 |
