the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 59,31 | 1,11% |
| 2020 | 58,66 | 0,98% |
| 2019 | 58,09 | 1,01% |
| 2018 | 57,51 | 0,80% |
| 2017 | 57,06 | 0,82% |
| 2016 | 56,59 | -0,98% |
| 2015 | 57,15 | 2,04% |
| 2014 | 56,01 | 1,47% |
| 2013 | 55,20 | -0,33% |
| 2012 | 55,38 | -0,20% |
| 2011 | 55,49 | 1,22% |
| 2010 | 54,82 |