3.23 % 2021
| Year | Value (%) |
|---|---|
|
2021 |
3.23 |
|
2020 |
3.15 |
|
2019 |
3.14 |
|
2018 |
2.91 |
|
2017 |
2.76 |
|
2016 |
2.61 |
|
2015 |
2.46 |
|
2014 |
2.3 |
|
2013 |
2.15 |
|
2012 |
2 |