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 15:04:06 15:33:06 15:43:05 15:48:11 22 3 Jun 22, 2018 3 instances 03:04:06 10:38:10 10:50:37 Jul 9 Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:28:11 16:31:34 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:43:00 10:44:33 18:40:59 19:01:20 19:23:59 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:37:00 19:47:54 Nov 8 2 Nov 8, 2017 2 instances 20:50:14 20:50:16 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:47:57 10:53:32 10:53:41 10:53:46 30 2 Sep 30, 2016 2 instances 20:07:28 20:13:14 Oct 3 3 Oct 3, 2016 3 instances 13:02:25 13:02:26 13:02:28 Nov Dec 29