| Year | Value (%) |
|---|---|
|
2021 |
1.37 |
|
2020 |
1.33 |
|
2019 |
1.3 |
|
2018 |
1.27 |
|
2017 |
1.29 |
|
2016 |
1.3 |
|
2015 |
1.21 |
|
2014 |
1.12 |
|
2013 |
1.02 |
|
2012 |
0.93 |