Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 0.31 | 1 |
| 1991 | 0.34 | 1 |
| 1992 | 0.37 | 1 |
| 1993 | 0.43 | 1 |
| 1994 | 0.46 | 1 |
| 1995 | 0.49 | 1 |
| 1996 | 0.53 | 1 |
| 1997 | 0.54 | 1 |
| 1998 | 0.54 | 1 |
| 1999 | 0.53 | 1 |
| 2000 | 0.53 | 1 |
| 2001 | 0.53 | 1 |
| 2002 | 0.53 | 1 |
| 2003 | 0.53 | 1 |
| 2004 | 0.54 | 1 |
| 2005 | 0.55 | 1 |
| 2006 | 0.55 | 1 |
| 2007 | 0.56 | 1 |
| 2008 | 0.58 | 1 |
| 2009 | 0.59 | 1 |
Footnotes:
- Estimates are based on regression.
