18 instances from 4 years 2021 - 1 instance Jan Feb Mar 21 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 22 7 Jun 22, 2018 7 instances 06:56:06 06:56:10 07:09:25 07:09:28 07:20:57 07:57:53 07:57:57 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 8 2 Oct 8, 2017 2 instances 06:11:37 06:29:52 Nov Dec 25 2 Dec 25, 2017 2 instances 22:19:27 22:19:30 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 12:39:06 12:44:42 12:44:53 12:45:47 30 2 Sep 30, 2016 2 instances 22:56:31 23:02:37 Oct Nov Dec