| Year | Value (%) |
|---|---|
|
2021 |
5.81 |
|
2020 |
5.81 |
|
2019 |
5.81 |
|
2018 |
5.81 |
|
2017 |
5.81 |
|
2016 |
5.81 |
|
2015 |
5.63 |
|
2014 |
5.02 |
|
2013 |
5.28 |
|
2012 |
5.53 |