| 序号 | 时间 (年) |
数据 (千头) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 19650.00 |
| 8 | 2018 | 18650.00 |
| 9 | 2017 | 18100.00 |
| 10 | 2016 | 17700.00 |
| 11 | 2015 | 17300.00 |
| 12 | 2014 | 17300.00 |
| 13 | 2013 | 17800.00 |
| 14 | 2012 | 17150.00 |
| 15 | 2011 | 16975.00 |
| 16 | 2010 | 16550.00 |
| 17 | 2009 | 15966.00 |
| 18 | 2008 | 15924.00 |
| 19 | 2007 | 15767.00 |
| 20 | 2006 | 15700.00 |
| 21 | 2005 | 15500.00 |
| 22 | 2004 | 15350.00 |
| 23 | 2003 | 15300.00 |
| 24 | 2002 | 15250.00 |
| 25 | 2001 | 15100.00 |
| 26 | 2000 | 14900.00 |
| 27 | 1999 | 14800.00 |
| 28 | 1998 | 14730.00 |
| 29 | 1997 | 14488.00 |
| 30 | 1996 | 13562.00 |
| 31 | 1995 | 14047.00 |
| 32 | 1994 | 14900.00 |
| 33 | 1993 | 14700.00 |
| 34 | 1992 | 14650.00 |
| 35 | 1991 | 14420.00 |
| 36 | 1990 | 12980.00 |
| 37 | 1989 | 14080.00 |
| 38 | 1988 | 14240.00 |
| 39 | 1987 | 14720.00 |
| 40 | 1986 | 15040.00 |
| 41 | 1985 | 15800.00 |
| 42 | 1984 | 15200.00 |
| 43 | 1983 | 17035.00 |
| 44 | 1982 | 16500.00 |
| 45 | 1981 | 15400.00 |
| 46 | 1980 | 15600.00 |
| 47 | 1979 | 15030.00 |
| 48 | 1978 | 14350.00 |
| 49 | 1977 | 13020.00 |
| 50 | 1976 | 12940.00 |
| 51 | 1975 | 12020.00 |
