96 instances from 4 years 2022 - 1 instance Jan Feb Mar Apr 18 May Jun Jul Aug Sep Oct Nov Dec 2021 - 47 instances Jan 29 22 17 15 8 1 Feb 26 19 12 5 Mar 26 19 12 5 Apr 24 17 15 10 3 1 May 29 22 16 8 1 Jun 26 19 13 5 1 Jul 31 24 10 3 1 Aug 28 21 14 7 1 Sep 25 18 11 4 1 Oct 20 16 Nov Dec 2020 - 45 instances Jan 19 14 Feb Mar 31 Apr 14 13 1 May 29 22 15 8 2 Jun 26 19 17 12 5 Jul 31 24 20 17 10 3 Aug 28 21 14 7 Sep 25 18 11 4 Oct 30 23 19 16 14 9 2 Nov 27 20 13 6 Dec 25 18 11 4 2019 - 3 instances Jan 15 Feb Mar Apr May Jun Jul 8 Aug Sep Oct 9 Nov Dec