Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 73.92 | |
| 1991 | 74.91 | |
| 1992 | 80.08 | |
| 1993 | 85.07 | |
| 1994 | 86.33 | |
| 1995 | 89.47 | |
| 1996 | 90.99 | |
| 1997 | 93.03 | |
| 1998 | 98.96 | |
| 1999 | 100.79 | |
| 2000 | 100.67 | |
| 2001 | 102.52 | |
| 2002 | 104.85 | |
| 2003 | 107.8 | |
| 2004 | 115.88 | |
| 2005 | 125.67 | |
| 2006 | 129.34 | |
| 2007 | 134.87 | |
| 2008 | 139.43 | |
| 2009 | 143.03 |
