Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 231.23 | |
| 1991 | 225.57 | |
| 1992 | 228.21 | |
| 1993 | 226.46 | |
| 1994 | 278.27 | |
| 1995 | 309.37 | |
| 1996 | 308.02 | |
| 1997 | 313.08 | |
| 1998 | 322.76 | |
| 1999 | 318.34 | |
| 2000 | 315.51 | |
| 2001 | 319.98 | |
| 2002 | 324.77 | |
| 2003 | 328.2 | |
| 2004 | 324.24 | |
| 2005 | 325.81 | |
| 2006 | 323.42 | |
| 2007 | 320.39 | |
| 2008 | 328.01 | |
| 2009 | 332.56 |
