| Year | Price index of imports (I) | Price index of export (E) | Terms of trade, (E/I)*100 |
|---|
| 1991 | 145.9 | 130.7 | 89.6 |
| 1992 | 109.9 | 109.3 | 99.5 |
| 1993 | 109.4 | 111.9 | 102.3 |
| 1994 | 115.5 | 118.1 | 102.3 |
| 1995 | 132.2 | 133.9 | 101.3 |
| 1996 | 120.8 | 118.0 | 97.7 |
| 1997 | 113.4 | 114.8 | 101.2 |
| 1998 | 111.4 | 112.9 | 101.3 |
| 1999 | 105.5 | 103.8 | 98.4 |
| 2000 | 112.9 | 109.9 | 97.3 |
| 2001 | 102.5 | 102.2 | 99.7 |
| 2002 | 94.6 | 95.0 | 100.4 |
| 2003 | 100.1 | 99.6 | 99.5 |
| 2004 | 99.1 | 98.4 | 99.3 |
| 2005 | 101.4 | 99.2 | 97.8 |
| 2006 | 107.9 | 106.4 | 98.6 |
| 2007 | 95.6 | 95.5 | 99.9 |
| 2008 | 102.1 | 100.4 | 98.3 |
| 2009 | 101.2 | 103.0 | 101.8 |
| 2010 | 101.7 | 101.6 | 99.9 |
| 2011 | 105.0 | 103.3 | 98.4 |
| 2012 | 104.3 | 102.9 | 98.7 |
| 2013 | 99.4 | 100.0 | 100.6 |
| 2014 | 100.1 | 101.1 | 101.0 |
| 2015 | 98.9 | 99.7 | 100.8 |
| 2016 | 97.5 | 99.0 | 101.5 |
| 2017 | 101.9 | 101.5 | 99.6 |
| 2018 | 103.9 | 102.9 | 99.0 |
| 2019 | 101.1 | 101.7 | 100.6 |
| 2020 | 102.6 | 104.7 | 102.0 |