53 instances from 3 years 2022 - 3 instances Jan 15 Feb Mar Apr 19 May Jun Jul 19 Aug Sep Oct Nov Dec 2021 - 31 instances Jan 31 24 18 16 10 2 Feb 27 23 17 16 14 7 Mar 28 20 13 6 Apr 24 17 11 3 May 16 10 1 Jun Jul Aug 28 21 14 Sep 25 18 11 4 Oct 20 Nov Dec 2020 - 19 instances Jan Feb Mar Apr May Jun Jul Aug 30 Sep 27 20 13 6 Oct 24 19 18 11 4 Nov 23 16 10 1 Dec 27 20 13 8 2