Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 1.94 | 1 |
| 1991 | 1.97 | 1 |
| 1992 | 1.98 | 1 |
| 1993 | 2 | 1 |
| 1994 | 1.97 | 1 |
| 1995 | 1.95 | 1 |
| 1996 | 1.98 | 1 |
| 1997 | 1.94 | 1 |
| 1998 | 1.95 | 1 |
| 1999 | 1.88 | 1 |
| 2000 | 1.84 | 1 |
| 2001 | 1.78 | 1 |
| 2002 | 1.79 | 1 |
| 2003 | 1.79 | 1 |
| 2004 | 1.77 | 1 |
| 2005 | 1.78 | 1 |
| 2006 | 1.81 | 1 |
| 2007 | 1.91 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1.97 | 1 |
Footnotes:
- Estimates are based on regression.
