|
| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
| January February March April May June July August September October November December | 53.083 53.020 54.475 57.050 56.903 57.453 58.435 59.857 58.779 56.736 54.428 54.918 | 54.087 54.610 57.048 57.351 57.944 59.799 60.004 60.014 59.561 56.904 55.315 54.402 | 53.102 53.378 53.807 54.234 54.311 54.931 56.209 56.808 56.176 55.092 53.042 52.921 | 51.841 52.988 54.723 57.257 58.751 60.413 61.434 61.170 60.357 58.134 55.519 53.095 | 52.296 52.977 54.523 56.259 56.352 55.851 56.572 57.225 56.329 55.752 54.990 54.133 | 54.010 54.592 56.948 59.102 60.760 61.497 61.865 61.961 61.958 58.921 56.241 54.814 | 55.492 53.956 55.433 57.521 57.939 58.897 60.130 60.363 59.632 58.306 55.710 53.729 | 53.562 52.588 54.360 56.053 56.856 57.872 60.783 61.713 62.794 61.593 59.955 58.268 | 57.025 57.328 58.274 58.216 58.588 59.459 60.032 60.609 60.485 58.873 56.316 54.621 | 53.947 55.076 55.733 56.920 57.495 58.238 58.957 59.552 59.249 57.000 55.523 53.915 |