Purchasing power parities (PPP) conversion factor, local currency unit to international dollar
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 114.42 | |
| 1991 | 119.64 | |
| 1992 | 118.24 | |
| 1993 | 125.97 | |
| 1994 | 141.01 | |
| 1995 | 163.58 | |
| 1996 | 200.93 | |
| 1997 | 257.43 | |
| 1998 | 285.18 | |
| 1999 | 288.52 | |
| 2000 | 346.97 | |
| 2001 | 368.62 | |
| 2002 | 357.89 | |
| 2003 | 387.61 | |
| 2004 | 407.14 | |
| 2005 | 447.04 | |
| 2006 | 445.23 | |
| 2007 | 468.99 | |
| 2008 | 560.53 | |
| 2009 | 624.31 |
