the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 33,71 | 0,38% |
| 2020 | 33,58 | 1,01% |
| 2019 | 33,25 | 0,95% |
| 2018 | 32,93 | -3,48% |
| 2017 | 34,12 | 1,07% |
| 2016 | 33,76 | 1,72% |
| 2015 | 33,19 | -4,84% |
| 2014 | 34,88 | 1,12% |
| 2013 | 34,49 | 3,40% |
| 2012 | 33,36 | -1,10% |
| 2011 | 33,73 | 0,01% |
| 2010 | 33,72 |