| Year | Value (%) |
|---|---|
|
2021 |
4.78 |
|
2020 |
4.78 |
|
2019 |
4.93 |
|
2018 |
5.22 |
|
2017 |
4.56 |
|
2016 |
4.44 |
|
2015 |
4.48 |
|
2014 |
4.6 |
|
2013 |
4.31 |
|
2012 |
4.46 |