27 instances from 6 years 2023 - 1 instance Jan Feb Mar 24 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 7 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 16:56:49 23:17:38 23:50:41 21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 21:03:23 21:09:39 21:25:13 21:31:14 Oct 1 2 Oct 1, 2016 2 instances 04:02:40 04:06:25 3 3 Oct 3, 2016 3 instances 20:08:57 20:24:07 21:19:51 Nov Dec 29