strike
- Jan- 2021 -12 January
- 12 January
- 2 January
- Dec- 2020 -28 December
- 14 December
- 6 December
- Nov- 2020 -26 November
- 18 November
- 3 November
- Oct- 2020 -29 October
- 14 October
- 14 October
- 13 October
- 5 October
- 4 October
- Sep- 2020 -22 September
- 20 September
- 17 September
- 15 September
- Aug- 2020 -21 August
- 19 August
- 3 August
- Jul- 2020 -9 July
- 5 July
- Jun- 2020 -19 June
