28 instances from 6 years 2023 - 1 instance Jan Feb Mar Apr May 18 Jun Jul Aug Sep Oct Nov Dec 2022 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 4 Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 26 Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 21 22 Jul Aug Sep Oct 3 Nov Dec 27 2016 - 18 instances Jan Feb 17 Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 18:35:03 23:08:55 23:23:49 23:52:15 Jul Aug Sep 20 5 Sep 20, 2016 5 instances 09:06:13 09:24:23 09:30:49 09:39:19 09:40:26 30 Oct 1 2 Oct 1, 2016 2 instances 16:28:50 16:35:46 4 3 Oct 4, 2016 3 instances 08:44:13 08:57:17 09:53:41 Nov Dec 29 30 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 2 Dec 16, 2015 2 instances 18:54:17 22:17:17