| 年份 | 飞行数量(架次) | 飞行时间(小时) | 影响面积(万km2) | 增水(亿吨) |
| 1989 | 28 | 55.02 | 30.00 | 12 |
| 1990 | 21 | 47.42 | 30.00 | 12 |
| 1991 | 21 | 47.73 | 45.00 | 17.6 |
| 1992 | 29 | 66.45 | 62.00 | 13 |
| 1993 | 10 | 21.67 | 31.20 | 8.3 |
| 1994 | 12 | 28.2 | 36.00 | 11.8 |
| 1995 | 19 | 43.88 | 25.90 | 10 |
| 1996 | 14 | 34.45 | 27.25 | 8.575 |
| 1997 | 26 | 56.62 | 68.70 | 15.9 |
| 1998 | 21 | 53.58 | 48.40 | 11.11 |
| 1999 | 19 | 51.43 | 37.99 | 5.67 |
| 2000 | 25 | 62.42 | 44.1 | 4.13 |
| 2001 | 18 | 46.97 | 37.4 | 4.2 |
| 2002 | 22 | 55.33 | 49.9 | 8.6 |
| 2003 | 9 | 20.93 | 17.83 | 2.4 |
| 2004 | 7 | 15.38 | 19.6 | 3.3 |
| 2005 | 12 | 22.94 | 28.39 | 5.77 |
| 2006 | 13 | 33.53 | 29.39 | 3.77 |
| 2007 | 11 | 25.67 | 8.2 | 1.04 |
| 2008 | 15 | 39.10 | 26.63 | 4.42 |
| 2009 | 27 | 60 | 42.2 | 3.82 |
| 2010 | 16 | 38.17 | 26.33 | 3.33 |
| 2011 | 19 | 47.42 | 32.08 | 2.87 |
| 2012 | 7 | 17.15 | 10.15 | 0.26 |
| 2013 | 19 | 40.4 | 29.26 | 2.04 |
| 2014 | 19 | 43.91 | 29.21 | 5.34 |
| 2015 | 6 | 14.17 | 5.5 | 0.5 |
| 2016 (6月) | 15 | 35.92 | 9 | 1.79 |
| 合计 | 493 | 1125.86 | 908.92 | 188.085 |