27 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:19:44 20:33:28 22 3 Jun 22, 2018 3 instances 04:43:03 11:09:08 11:21:15 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:57:18 13:20:51 13:41:53 19:06:47 19:25:53 19:49:43 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:05:46 20:15:40 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:32:30 11:38:07 11:38:14 11:39:42 30 2 Sep 30, 2016 2 instances 21:18:20 21:24:08 Oct 3 3 Oct 3, 2016 3 instances 14:28:48 14:28:49 14:28:50 Nov Dec