20 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 07:53:43 07:53:46 07:54:36 07:54:39 08:02:12 08:02:15 21:00:06 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:25:04 04:25:14 04:26:49 04:26:59 04:27:23 04:27:33 Jul Aug 28 Sep Oct 2 2 Oct 2, 2017 2 instances 05:04:57 05:05:08 Nov Dec 25 2 Dec 25, 2017 2 instances 06:46:33 06:46:36