32 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 14:47:32 15:16:43 15:24:04 15:31:47 22 4 Jun 22, 2018 4 instances 02:57:20 10:22:21 10:34:44 23:43:17 Jul Aug Sep Oct Nov Dec 2017 - 15 instances Jan 6 2 Jan 6, 2017 2 instances 16:08:53 16:12:07 10 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 10:24:49 10:27:08 10:28:43 18:25:22 18:46:07 19:08:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:21:21 19:32:31 Nov 8 2 Nov 8, 2017 2 instances 20:28:49 20:28:51 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:31:50 10:37:26 10:37:27 10:37:41 Oct 3 3 Oct 3, 2016 3 instances 12:29:35 12:29:41 12:29:42 Nov Dec 29