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 14:43:47 15:12:59 15:20:04 15:28:05 22 3 Jun 22, 2018 3 instances 02:55:46 10:18:44 10:31:09 Jul 7 Aug Sep Oct Nov Dec 2017 - 15 instances Jan 6 2 Jan 6, 2017 2 instances 16:03:32 16:06:53 9 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 10:21:09 10:23:29 10:25:02 18:21:46 18:42:42 19:04:47 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:17:44 19:28:57 Nov 8 2 Nov 8, 2017 2 instances 20:23:55 20:23:58 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:28:05 10:33:40 10:33:40 10:33:54 Oct 3 3 Oct 3, 2016 3 instances 12:21:31 12:21:32 12:22:57 Nov Dec 29