Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 0 | |
| 1991 | 0 | |
| 1992 | 0 | |
| 1993 | 0 | |
| 1994 | 0.01 | |
| 1995 | 0.09 | |
| 1996 | 0.5 | |
| 1997 | 1.46 | |
| 1998 | 1.86 | |
| 1999 | 7.01 | |
| 2000 | 41.63 | |
| 2001 | 186.22 | |
| 2002 | 241.1 | |
| 2003 | 266.1 | |
| 2004 | 269.51 | |
| 2005 | 316.23 | |
| 2006 | 346.34 | |
| 2007 | 393.79 | |
| 2008 | 444.84 |
