Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 1.85 | 1 |
| 1991 | 2.04 | 1 |
| 1992 | 2.37 | 1 |
| 1993 | 2.98 | 1 |
| 1994 | 4.05 | 1 |
| 1995 | 5.03 | 1 |
| 1996 | 5.89 | 1 |
| 1997 | 6.94 | 1 |
| 1998 | 7.56 | 1 |
| 1999 | 8.04 | 1 |
| 2000 | 8.85 | 1 |
| 2001 | 9.82 | 1 |
| 2002 | 10.62 | 1 |
| 2003 | 14.46 | 1 |
| 2004 | 17.3 | 1 |
| 2005 | 19.37 | 1 |
| 2006 | 21.21 | 1 |
| 2007 | 22.38 | 1 |
| 2008 | 24.9 | 1 |
| 2009 | 24.98 | 1 |
Footnotes:
- Estimates are based on regression.
