31 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:02:47 15:31:46 15:41:31 15:46:51 22 3 Jun 22, 2018 3 instances 03:03:33 10:36:54 10:49:22 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:26:43 16:30:02 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:41:46 10:43:18 18:39:46 19:00:06 19:22:46 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:35:47 19:46:37 Nov 8 2 Nov 8, 2017 2 instances 20:48:31 20:48:33 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:46:42 10:52:16 10:52:25 10:52:31 30 2 Sep 30, 2016 2 instances 20:04:50 20:10:36 Oct 3 3 Oct 3, 2016 3 instances 12:59:11 12:59:19 12:59:20 Nov Dec 29