Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 276.81 | |
| 1991 | 260.91 | |
| 1992 | 252.96 | |
| 1993 | 244.27 | |
| 1994 | 314.94 | |
| 1995 | 330.44 | |
| 1996 | 329.87 | |
| 1997 | 327.98 | |
| 1998 | 326.71 | |
| 1999 | 322.36 | |
| 2000 | 314.11 | |
| 2001 | 314.87 | |
| 2002 | 316.87 | |
| 2003 | 309.74 | |
| 2004 | 303.2 | |
| 2005 | 298.24 | |
| 2006 | 295.03 | |
| 2007 | 303.64 | |
| 2008 | 309.28 | |
| 2009 | 307.13 |
