30 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 2 Jun 21, 2018 2 instances 20:01:55 20:15:49 22 3 Jun 22, 2018 3 instances 04:35:38 10:51:53 11:04:10 23 2 Jun 23, 2018 2 instances 00:28:35 00:53:53 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:39:53 16:42:31 10 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:40:07 13:03:39 13:24:50 18:49:56 19:09:00 19:32:53 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:48:26 19:59:00 Nov 20 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:14:46 11:21:53 30 2 Sep 30, 2016 2 instances 20:50:11 20:57:53 Oct 3 3 Oct 3, 2016 3 instances 13:51:02 13:51:05 13:52:48 Nov Dec 29