28 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 20:16:05 20:29:48 22 3 Jun 22, 2018 3 instances 04:41:29 11:05:28 11:17:42 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:53:44 13:17:17 13:38:21 19:03:17 19:22:24 19:46:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:02:13 20:12:13 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:28:52 11:34:29 11:34:34 11:36:04 30 2 Sep 30, 2016 2 instances 21:12:55 21:18:54 Oct 3 3 Oct 3, 2016 3 instances 14:22:06 14:22:08 14:22:09 Nov Dec 29