26 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 2 Jun 21, 2018 2 instances 20:22:38 20:36:23 22 3 Jun 22, 2018 3 instances 04:44:18 11:11:57 11:24:02 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:00:11 13:23:42 13:44:45 19:09:37 19:28:42 19:52:32 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:35:25 11:41:04 11:41:14 11:42:40 30 2 Sep 30, 2016 2 instances 21:22:47 21:28:33 Oct 3 3 Oct 3, 2016 3 instances 14:34:28 14:34:29 14:34:34 Nov Dec