29 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 14 Dec 2019 - 4 instances Jan Feb Mar Apr May Jun 22 Jul 20 Aug Sep 18 Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 29 Jul 1 12 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 7 Nov Dec 31 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:12:28 17:33:33 22:45:08 21 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 15:43:48 16:34:20 21:15:17 21:32:51 Oct 1 2 Oct 1, 2016 2 instances 22:24:14 23:38:08 4 3 Oct 4, 2016 3 instances 17:02:55 17:31:57 20:09:47 Nov Dec 30