Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 15.02 | 1 |
| 1991 | 19.05 | 1 |
| 1992 | 22.55 | 1 |
| 1993 | 28.87 | 1 |
| 1994 | 34.92 | 1 |
| 1995 | 42.53 | 1 |
| 1996 | 48.04 | 1 |
| 1997 | 60.88 | 1 |
| 1998 | 90.82 | 1 |
| 1999 | 105.23 | 1 |
| 2000 | 101.68 | 1 |
| 2001 | 119.75 | 1 |
| 2002 | 185.16 | 1 |
| 2003 | 247.29 | 1 |
| 2004 | 251.77 | 1 |
| 2005 | 266.32 | 1 |
| 2006 | 309.58 | 1 |
| 2007 | 406.42 | 1 |
| 2008 | 496.29 | 1 |
| 2009 | 505.39 | 1 |
Footnotes:
- Estimates are based on regression.
