1.1.2019-14.6.2021 | Year 2021 | Year 2020 | Year 2019 | Year 2018 | Year 2017 | Year 2016 | Year 2015 | Year 2014 | Year 2013 | Year 2012 | |
---|---|---|---|---|---|---|---|---|---|---|---|

1 | 17.2 | 23.0 | 16.3 | 17.5 | 12.9 | 18.3 | 0 | 0 | 0 | 0 | 0 |

2 | 55.8 | 49.2 | 64.4 | 56.1 | 55.4 | 55.9 | 0 | 0 | 0 | 0 | 0 |

3 | 11.3 | 8.2 | 8.7 | 11.3 | 18.9 | 13.7 | 0 | 0 | 0 | 0 | 0 |

4 | 11.0 | 14.8 | 5.8 | 11.3 | 8.2 | 8.2 | 0 | 0 | 0 | 0 | 0 |

5 | 2.8 | 4.9 | 1.9 | 2.4 | 4.3 | 3.9 | 0 | 0 | 0 | 0 | 0 |

- Never (value when calculating levels: -2.0)
- In some lessons (value when calculating levels: -1.0)
- In about half of lessons (value when calculating levels: 0.0)
- In most of lessons (value when calculating levels: 1.0)
- In almost every lesson (value when calculating levels: 2.0)