27 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 6 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 07:16:29 07:16:32 07:16:33 07:23:25 07:23:29 20:51:01 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 06:31:55 06:31:59 2016 - 18 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 8 Sep 19, 2016 8 instances 21:03:10 21:03:14 21:08:45 21:08:46 21:08:48 21:08:50 21:08:56 21:09:00 Oct 1 4 Oct 1, 2016 4 instances 09:22:04 09:22:09 09:29:03 09:29:08 4 6 Oct 4, 2016 6 instances 05:20:00 05:20:06 05:26:38 05:26:42 05:34:48 05:34:56 Nov Dec