Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 241.01 | |
| 1991 | 231.35 | |
| 1992 | 224.52 | |
| 1993 | 211.09 | |
| 1994 | 277.92 | |
| 1995 | 294.85 | |
| 1996 | 297.7 | |
| 1997 | 304.82 | |
| 1998 | 309.68 | |
| 1999 | 308.72 | |
| 2000 | 302.3 | |
| 2001 | 306.99 | |
| 2002 | 310.76 | |
| 2003 | 305.76 | |
| 2004 | 298.48 | |
| 2005 | 294.5 | |
| 2006 | 299.89 | |
| 2007 | 294.26 | |
| 2008 | 298.51 | |
| 2009 | 308.69 |
