Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 195.01 | |
| 1991 | 187.81 | |
| 1992 | 184.83 | |
| 1993 | 177.72 | |
| 1994 | 241.04 | |
| 1995 | 272.99 | |
| 1996 | 277.65 | |
| 1997 | 293.69 | |
| 1998 | 292.02 | |
| 1999 | 285.57 | |
| 2000 | 281.46 | |
| 2001 | 284.43 | |
| 2002 | 288.59 | |
| 2003 | 279.47 | |
| 2004 | 273.25 | |
| 2005 | 282.26 | |
| 2006 | 279.52 | |
| 2007 | 274.38 | |
| 2008 | 287.18 | |
| 2009 | 293.84 |
