Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 2.13 | 1 |
| 1991 | 2.09 | 1 |
| 1992 | 2.11 | 1 |
| 1993 | 2.11 | 1 |
| 1994 | 2.13 | 1 |
| 1995 | 2.11 | 1 |
| 1996 | 2.09 | 1 |
| 1997 | 2.07 | 1 |
| 1998 | 2.08 | 1 |
| 1999 | 2.06 | 1 |
| 2000 | 2.06 | 1 |
| 2001 | 2.06 | 1 |
| 2002 | 2.02 | 1 |
| 2003 | 1.99 | 1 |
| 2004 | 1.99 | 1 |
| 2005 | 2.04 | 1 |
| 2006 | 2.01 | 1 |
| 2007 | 2.1 | 1 |
| 2008 | 2.13 | 1 |
| 2009 | 2.09 | 1 |
Footnotes:
- Estimates are based on regression.
