Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 1.81 | 1 |
| 1991 | 2.33 | 1 |
| 1992 | 2.45 | 1 |
| 1993 | 2.64 | 1 |
| 1994 | 3.13 | 1 |
| 1995 | 3.95 | 1 |
| 1996 | 4.75 | 1 |
| 1997 | 5.57 | 1 |
| 1998 | 6.24 | 1 |
| 1999 | 6.82 | 1 |
| 2000 | 7.32 | 1 |
| 2001 | 7.81 | 1 |
| 2002 | 8.28 | 1 |
| 2003 | 8.72 | 1 |
| 2004 | 9.18 | 1 |
| 2005 | 9.66 | 1 |
| 2006 | 9.88 | 1 |
| 2007 | 10.27 | 1 |
| 2008 | 11.02 | 1 |
| 2009 | 11.67 | 1 |
Footnotes:
- Estimates are based on regression.
