strike
- Jan- 2018 -16 January
- 13 January
- 13 January
- 12 January
- 11 January
- 10 January
- 10 January
- 10 January
- 7 January
- 4 January
- 2 January
- 1 January
- Dec- 2017 -30 December
- 29 December
- 28 December
- 28 December
- 26 December
- 20 December
- 20 December
- 16 December
- 9 December
- 3 December
- 3 December
- 2 December
- Nov- 2017 -30 November