33 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 15:09:57 15:38:40 15:49:52 15:53:50 22 3 Jun 22, 2018 3 instances 03:06:28 10:43:38 10:56:02 23 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:35:07 16:38:13 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:48:27 10:49:58 18:46:30 19:06:20 19:29:29 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:42:22 19:53:10 Nov 8 2 Nov 8, 2017 2 instances 20:57:44 20:57:46 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:53:37 10:59:11 10:59:21 10:59:22 30 2 Sep 30, 2016 2 instances 20:18:58 20:24:43 Oct 3 3 Oct 3, 2016 3 instances 13:13:20 13:13:21 13:13:22 Nov Dec 29