Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 67.26 | |
| 1991 | 77.2 | |
| 1992 | 82.09 | |
| 1993 | 89.59 | |
| 1995 | 168.95 | |
| 1996 | 176.31 | |
| 1997 | 192.98 | |
| 1998 | 201.83 | |
| 1999 | 192.76 | |
| 2000 | 193.73 | |
| 2001 | 194.71 | |
| 2002 | 195.49 | |
| 2003 | 205.39 | |
| 2004 | 224.54 | |
| 2005 | 236.75 | |
| 2006 | 249.72 | |
| 2007 | 264.84 | |
| 2008 | 294.44 | |
| 2009 | 326.12 |
