| Year | Value (%) |
|---|---|
|
2021 |
12.34 |
|
2020 |
12.34 |
|
2019 |
13.11 |
|
2018 |
13.46 |
|
2017 |
13.47 |
|
2016 |
13.22 |
|
2015 |
14.06 |
|
2014 |
13.65 |
|
2013 |
13.58 |
|
2012 |
14.03 |