| Año | Valor |
|---|---|
| 1990-01-01 | 100.000000 |
| 1991-01-01 | 117.689440 |
| 1992-01-01 | 133.223510 |
| 1993-01-01 | 141.959186 |
| 1994-01-01 | 153.248076 |
| 1995-01-01 | 170.760165 |
| 1996-01-01 | 190.534545 |
| 1997-01-01 | 201.404624 |
| 1998-01-01 | 215.605919 |
| 1999-01-01 | 220.805398 |
| 2000-01-01 | 232.277133 |
| 2001-01-01 | 236.620933 |
| 2002-01-01 | 243.295435 |
| 2003-01-01 | 258.696018 |
| 2004-01-01 | 279.308165 |
| 2005-01-01 | 295.901298 |
| 2006-01-01 | 336.332303 |
| 2007-01-01 | 361.131274 |
| 2008-01-01 | 398.620968 |
| 2009-01-01 | 388.974762 |
Fuente: World Bank