| 年份 | 饲料价格指数(以1993年价格为1) |
|---|---|
| 1993 | 1.00 |
| 1994 | 1.27 |
| 1995 | 1.91 |
| 1996 | 2.09 |
| 1997 | 1.98 |
| 1998 | 2.03 |
| 1999 | 1.97 |
| 2000 | 1.84 |
| 2001 | 1.92 |
| 2002 | 1.95 |
| 2003 | 1.99 |
| 2004 | 2.31 |
| 2005 | 2.40 |
| 2006 | 2.43 |
| 2007 | 2.63 |
| 2008 | 3.05 |
| 2009 | 3.12 |
| 2010 | 3.38 |
| 2011 | 3.64 |
| 2012 | 3.84 |
| 2013 | 4.02 |
| 2014 | 4.10 |
| 2015 | 4.02 |
| 2016 | 3.84 |
| 2017 | 3.80 |
| 2018 | 3.91 |
| 2019 | 3.96 |
| 2020 | 4.13 |
| 2021 | - |
| 2022 | - |
| 2023 | - |
| 2024 | - |