Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 0.82 | 1 |
| 1991 | 0.87 | 1 |
| 1992 | 0.91 | 1 |
| 1993 | 0.89 | 1 |
| 1994 | 0.88 | 1 |
| 1995 | 0.87 | 1 |
| 1996 | 0.87 | 1 |
| 1997 | 0.87 | 1 |
| 1998 | 0.88 | 1 |
| 1999 | 0.9 | 1 |
| 2000 | 0.93 | 1 |
| 2001 | 0.98 | 1 |
| 2002 | 1.06 | 1 |
| 2003 | 1.16 | 1 |
| 2004 | 1.25 | 1 |
| 2005 | 1.31 | 1 |
| 2006 | 1.35 | 1 |
| 2007 | 1.39 | 1 |
| 2008 | 1.48 | 1 |
| 2009 | 1.51 | 1 |
Footnotes:
- Estimates are based on regression.
