16 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 08:00:13 08:00:16 08:01:07 08:01:11 08:08:44 08:08:48 21:02:05 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan Feb Mar Apr May Jun Jul Aug 28 Sep Oct 2 2 Oct 2, 2017 2 instances 04:52:20 04:52:28 Nov 2 2 Nov 2, 2017 2 instances 20:21:46 20:21:49 Dec 25 2 Dec 25, 2017 2 instances 06:55:28 06:55:32