RITCHER SCALE
- Oct- 2020 -16 October
- 9 October
- Sep- 2020 -6 September
- 1 September
- Jun- 2020 -15 June
- Apr- 2020 -12 April
- Mar- 2020 -22 March
- 20 March
- Feb- 2020 -5 February
- 2 February
- Dec- 2019 -1 December
- Nov- 2019 -28 November
- 24 November
- 15 November
- 8 November
- 6 November
- 6 November
- Oct- 2019 -29 October
- Sep- 2019 -12 September
- Jul- 2019 -14 July