Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1992 | 0 | |
| 1993 | 0.03 | |
| 1994 | 0.7 | |
| 1995 | 5.53 | |
| 1996 | 8.21 | |
| 1997 | 13.15 | |
| 1998 | 22.39 | |
| 1999 | 86.27 | |
| 2000 | 224.16 | |
| 2001 | 351.28 | |
| 2002 | 492.88 | |
| 2003 | 618.81 | |
| 2004 | 711.8 | |
| 2005 | 759.62 | |
| 2006 | 787.64 | |
| 2007 | 830.28 | |
| 2008 | 918.23 | |
| 2009 | 1040.8 |
