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 07:57:13 07:57:17 07:58:05 07:58:09 08:05:43 08:05:46 21:01:09 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 05:11:33 05:11:43 Nov 2 2 Nov 2, 2017 2 instances 20:14:45 20:14:48 Dec 25 2 Dec 25, 2017 2 instances 06:52:55 06:52:59