| 序号 | 时间 (年) |
数据 (千头) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 16700.00 |
| 12 | 2014 | 17050.00 |
| 13 | 2013 | 17350.00 |
| 14 | 2012 | 17250.00 |
| 15 | 2011 | 17000.00 |
| 16 | 2010 | 17500.00 |
| 17 | 2009 | 17700.00 |
| 18 | 2008 | 16960.00 |
| 19 | 2007 | 17050.00 |
| 20 | 2006 | 16950.00 |
| 21 | 2005 | 17000.00 |
| 22 | 2004 | 17160.00 |
| 23 | 2003 | 17250.00 |
| 24 | 2002 | 17000.00 |
| 25 | 2001 | 17100.00 |
| 26 | 2000 | 17500.00 |
| 27 | 1999 | 17600.00 |
| 28 | 1998 | 17850.00 |
| 29 | 1997 | 17850.00 |
| 30 | 1996 | 17600.00 |
| 31 | 1995 | 18200.00 |
| 32 | 1994 | 19200.00 |
| 33 | 1993 | 19700.00 |
| 34 | 1992 | 20040.00 |
| 35 | 1991 | 20981.00 |
| 36 | 1990 | 22780.00 |
| 37 | 1989 | 23550.00 |
| 38 | 1988 | 23000.00 |
| 39 | 1987 | 23500.00 |
| 40 | 1986 | 23200.00 |
| 41 | 1985 | 22900.00 |
| 42 | 1984 | 21700.00 |
| 43 | 1983 | 21300.00 |
| 44 | 1982 | 21245.00 |
| 45 | 1981 | 20700.00 |
| 46 | 1980 | 21900.00 |
| 47 | 1979 | 21800.00 |
| 48 | 1978 | 20100.00 |
| 49 | 1977 | 18500.00 |
| 50 | 1976 | 16996.00 |
| 51 | 1975 | 15721.00 |
| 52 | 1974 | 17084.00 |
