| Year | Area exposed to drought | |
|---|---|---|
| size, thousand km2 | rate, % | |
| 1985 | 6.0 | 6 |
| 1990 | 85.0 | 91 |
| 1995 | 40.0 | 42 |
| 1996 | 8.0 | 9 |
| 1997 | 0.0 | 0 |
| 1998 | 8.5 | 9 |
| 1999 | 0.0 | 0 |
| 2000 | 86.0 | 92 |
| 2001 | 14.7 | 16 |
| 2002 | 66.0 | 71 |
| 2003 | 88.0 | 94 |
| 2004 | 0.6 | 1 |
| 2005 | 0.0 | 0 |
| 2006 | 0.0 | 0 |
| 2007 | 79.0 | 85 |
| 2008 | 5.6 | 6 |
| 2009 | 45.0 | 48 |
| 2010 | 0.0 | 0 |
| 2011 | 35.3 | 38 |
| 2012 | 80.9 | 87 |
| 2013 | 74.5 | 80 |
| 2014 | 0.0 | 0 |
| 2015 | 83.3 | 89 |
| 2016 | 0.0 | 0 |
| 2017 | 47.4 | 51 |
| 2018 | 30.0 | 32 |
| 2019 | 31.6 | 34 |
| 2020 | 3.1 | 3 |