| Year | Value (%) |
|---|---|
|
2021 |
16.71 |
|
2020 |
16.71 |
|
2019 |
16.71 |
|
2018 |
15.4 |
|
2017 |
12.59 |
|
2016 |
13.79 |
|
2015 |
16.42 |
|
2014 |
16.56 |
|
2013 |
16.69 |
|
2012 |
16.83 |