Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 248.81 | |
| 1991 | 246.32 | |
| 1992 | 231.64 | |
| 1993 | 206.04 | |
| 1994 | 284.58 | |
| 1995 | 302.37 | |
| 1996 | 327.04 | |
| 1997 | 337.38 | |
| 1998 | 346.37 | |
| 1999 | 311.76 | |
| 2000 | 313.1 | |
| 2001 | 342.35 | |
| 2002 | 354.5 | |
| 2003 | 340.55 | |
| 2004 | 313.91 | |
| 2005 | 327.57 | |
| 2006 | 342.83 | |
| 2007 | 303.41 | |
| 2008 | 322.28 | |
| 2009 | 355.62 |
