32 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 15:05:45 15:34:43 15:45:12 15:49:50 22 3 Jun 22, 2018 3 instances 03:04:46 10:39:44 10:52:11 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:29:52 16:33:17 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:44:35 10:46:07 18:42:32 19:02:50 19:25:33 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:38:33 19:49:25 Nov 8 2 Nov 8, 2017 2 instances 20:52:21 20:52:24 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:49:34 10:55:10 10:55:19 10:55:24 30 2 Sep 30, 2016 2 instances 20:09:42 20:15:30 Oct 3 3 Oct 3, 2016 3 instances 13:05:09 13:05:12 13:05:13 Nov Dec 29