Interest rates
| Year | Interest |
| Definitive for the year 2025 | 0.00% |
| Definitive for the year 2024 | 0.00% |
| Definitive for the year 2023 | 0.00% |
| Definitive for the year 2022 | 0.00% |
| Definitive for the year 2021 | 0.00% |
| Definitive for the year 2020 | 0.00% |
|
Definitive for the year 2019 |
0.00% |
| Definitive for the year 2018 | 0.00% |
|
Definitive for the year 2017 |
1.00% |
|
2016 |
1.25% |
| 2015 | 1.75% |
| 2014 | 1.75% |
| 2013 | 1.50% |
| 2012 | 1.50% |
| 2011 | 2.00% |
| 2010 | 2.00% |
| 2009 | 2.00% |
| 2008 | 2.75% |
| 2007 | 2.50% |