| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | |
| Population in Poverty Situation (%) | 48.7% | 46.3% | 45.4% | 55.4% | 62.1% | 53.9% | 43.7% | 36.3% | 33.6% | 31.5% | 31.7% | |
| Population in Extreme Poverty (%) | 20.3% | 20.1% | 18.0% | 16.9% | 25.0% | 29.8% | 22.5% | 17.8% | 11.1% | 9.5% | 9.2% | 7.4% |
| Households in Extreme Poverty (%) | 16.9% | 14.9% | 14.0% | 21.0% | 25.0% | 18.6% | 15.3% | 9.1% | 7.9% | 7.6% | 7.3% |
Source