| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 1878.36 |
| 12 | 2010 | 1941.20 |
| 13 | 2009 | 2007.47 |
| 14 | 2008 | 2053.15 |
| 15 | 2007 | 2106.95 |
| 16 | 2006 | 2236.35 |
| 17 | 2005 | 2392.92 |
| 18 | 2004 | 2457.12 |
| 19 | 2003 | 2486.90 |
| 20 | 2002 | 2661.37 |
| 21 | 2001 | 2713.07 |
| 22 | 2000 | 2793.25 |
| 23 | 1999 | 2915.41 |
| 24 | 1998 | 2918.81 |
| 25 | 1997 | 2943.63 |
| 26 | 1996 | 2900.75 |
| 27 | 1995 | 2835.09 |
| 28 | 1994 | 2800.97 |
| 29 | 1993 | 2786.95 |
| 30 | 1992 | 2881.05 |
| 31 | 1991 | 2826.85 |
| 32 | 1990 | 2745.92 |
| 33 | 1989 | 2656.64 |
| 34 | 1988 | 2588.62 |
| 35 | 1987 | 2543.93 |
| 36 | 1986 | 2401.03 |
| 37 | 1985 | 2335.71 |
| 38 | 1984 | 2386.71 |
| 39 | 1983 | 2428.38 |
| 40 | 1982 | 2469.47 |
| 41 | 1981 | 2526.59 |
| 42 | 1980 | 2573.93 |
| 43 | 1979 | 2662.27 |
| 44 | 1978 | 2701.05 |
| 45 | 1975 | 2756.40 |
| 46 | 1970 | 2350.53 |
| 47 | 1965 | 1976.27 |
| 48 | 1962 | 2061.27 |
| 49 | 1957 | 2377.67 |
| 50 | 1952 | 2109.80 |
