分面浏览：发表日期 |
| 当前检索式 | ((ALL：Yield gap)) |
| 限定条件 | 无 |
| 2024 2 | 2023 1 | 2022 3 |
| 2021 7 | 2020 15 | 2019 18 |
| 2018 33 | 2017 24 | 2016 22 |
| 2015 11 | 2014 21 | 2013 20 |
| 2012 7 | 2011 14 | 2010 11 |
| 2009 12 | 2008 5 | 2007 3 |
| 2006 6 | 2005 3 | 2004 1 |
| 2003 4 | 2002 5 | 2001 4 |
| 2000 1 | 1999 2 | 1998 3 |
| 1997 1 | 1993 1 | 1992 1 |
| 1991 1 | 1990 3 | 1989 4 |
| 1988 4 | 1987 5 | 1986 3 |
| 1985 2 | 1984 2 | 1983 4 |
| 1982 1 |
