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 14:45:36 15:14:48 15:21:59 15:29:53 22 3 Jun 22, 2018 3 instances 02:56:31 10:20:29 10:32:54 Jul 7 Aug Sep Oct Nov Dec 2017 - 15 instances Jan 6 2 Jan 6, 2017 2 instances 16:06:11 16:09:26 9 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 10:22:54 10:25:14 10:26:47 18:23:29 18:44:21 19:06:30 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:19:28 19:30:39 Nov 8 2 Nov 8, 2017 2 instances 20:26:16 20:26:18 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:29:53 10:35:27 10:35:29 10:35:43 Oct 3 3 Oct 3, 2016 3 instances 12:25:33 12:25:36 12:26:00 Nov Dec 29