strike
- May- 2018 -30 May
- 27 May
- 24 May
- 24 May
- 20 May
- 16 May
- 11 May
- 7 May
- 5 May
- Apr- 2018 -26 April
- 17 April
- 16 April
- 14 April
- 14 April
- 10 April
- 9 April
- 6 April
- 2 April
- 2 April
- 1 April
- 1 April
- Mar- 2018 -26 March
- 25 March
- 22 March
- 18 March
