| 序号 | 时间 (年) |
数据 (万头) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 12.65 |
| 8 | 2018 | 18.36 |
| 9 | 2017 | 18.38 |
| 10 | 2016 | 17.86 |
| 11 | 2015 | 31.15 |
| 12 | 2014 | 79.04 |
| 13 | 2013 | 244.32 |
| 14 | 2012 | 274.88 |
| 15 | 2011 | 294.69 |
| 16 | 2010 | 297.32 |
| 17 | 2009 | 300.89 |
| 18 | 2008 | 286.28 |
| 19 | 2007 | 227.94 |
| 20 | 2006 | 289.02 |
| 21 | 2005 | 320.81 |
| 22 | 2004 | 327.16 |
| 23 | 2003 | 318.00 |
| 24 | 2002 | 305.24 |
| 25 | 2001 | 316.77 |
| 26 | 2000 | 322.64 |
| 27 | 1999 | 290.65 |
| 28 | 1998 | 291.58 |
| 29 | 1997 | 265.59 |
| 30 | 1996 | 209.40 |
| 31 | 1995 | 215.40 |
| 32 | 1994 | 205.45 |
| 33 | 1993 | 224.59 |
| 34 | 1992 | 279.79 |
| 35 | 1991 | 216.76 |
| 36 | 1990 | 201.66 |
| 37 | 1989 | 206.88 |
| 38 | 1988 | 194.42 |
| 39 | 1987 | 189.29 |
| 40 | 1986 | 214.44 |
| 41 | 1985 | 200.64 |
| 42 | 1984 | 187.23 |
| 43 | 1983 | 205.61 |
| 44 | 1982 | 201.74 |
| 45 | 1981 | 195.19 |
| 46 | 1980 | 203.79 |
| 47 | 1979 | 252.22 |
| 48 | 1978 | 197.29 |
| 49 | 1975 | 179.62 |
| 50 | 1970 | 175.65 |
| 51 | 1965 | 138.15 |
| 52 | 1962 | 68.40 |
| 53 | 1957 | 63.26 |
| 54 | 1952 | 16.72 |
| 55 | 1949 | 12.33 |
