| Période | Valeur | Variation | | 2001-I | 28 | 0 | | 2001-II | 29.7 | 24.29 | | 2001-III | 26.4 | -44.44 | | 2001-IV | 16.9 | -143.94 | | 2002-I | 8.6 | -196.45 | | 2002-II | 12.1 | 162.79 | | 2002-III | 14.2 | 69.42 | | 2002-IV | 14.2 | 0 | | 2003-I | 12.9 | -36.62 | | 2003-II | 11.2 | -52.71 | | 2003-III | 11.8 | 21.43 | | 2003-IV | 13.8 | 67.8 | | 2004-I | 16.1 | 66.67 | | 2004-II | 18.7 | 64.6 | | 2004-III | 19.3 | 12.83 | | 2004-IV | 23.7 | 91.19 | | 2005-I | 28 | 72.57 |
| | | Période | Valeur | Variation | | 2005-II | 29.4 | 20 | | 2005-III | 22.6 | -92.52 | | 2005-IV | 39.1 | 292.04 | | 2006-I | 45.2 | 62.4 | | 2006-II | 53.1 | 69.91 | | 2006-III | 60.8 | 58 | | 2006-IV | 58.4 | -15.79 | | 2007-I | 51.3 | -48.63 | | 2007-II | 46.6 | -36.65 | | 2007-III | 47.3 | 6.01 | | 2007-IV | 51.2 | 32.98 | | 2008-I | 33.1 | -141.41 | | 2008-II | 43.1 | 120.85 | | 2008-III | 43.5 | 3.71 | | 2008-IV | 40.8 | -24.83 | | 2009-I | 53.6 | 125.49 | | 2009-II | 53.4 | -1.49 |
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