Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1993 | 1.23 | |
| 1994 | 54.31 | |
| 1995 | 145.79 | |
| 1996 | 168.1 | |
| 1997 | 187.19 | |
| 1998 | 200.32 | |
| 1999 | 197.3 | |
| 2000 | 189.34 | |
| 2001 | 189.93 | |
| 2002 | 188.95 | |
| 2003 | 193.48 | |
| 2004 | 201.55 | |
| 2005 | 196.19 | |
| 2006 | 195.55 | |
| 2007 | 198.51 | |
| 2008 | 208.28 | |
| 2009 | 216.15 |
