28 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 20:14:48 20:28:32 22 3 Jun 22, 2018 3 instances 04:40:58 11:04:13 11:16:28 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:52:30 13:16:03 13:37:07 19:02:04 19:21:11 19:45:01 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:00:59 20:11:01 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:27:37 11:33:13 11:33:18 11:34:48 30 2 Sep 30, 2016 2 instances 21:10:49 21:17:13 Oct 3 3 Oct 3, 2016 3 instances 14:19:25 14:19:40 14:19:41 Nov Dec 29