23 instances from 4 years 2020 - 3 instances Jan 22 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 15 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 22 2 Jun 22, 2018 2 instances 10:43:39 21:21:00 27 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 3 4 5 6 Nov Dec 27 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 06:01:12 06:13:27 06:21:42 06:22:44 Oct 1 2 Oct 1, 2016 2 instances 13:05:46 13:09:17 4 3 Oct 4, 2016 3 instances 05:13:16 05:26:00 06:23:07 Nov 21 Dec