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 20:15:13 20:28:56 22 3 Jun 22, 2018 3 instances 04:41:08 11:04:37 11:16:51 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:52:53 13:16:26 13:37:30 19:02:27 19:21:34 19:45:24 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:01:22 20:11:24 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:28:01 11:33:37 11:33:42 11:35:12 30 2 Sep 30, 2016 2 instances 21:11:30 21:17:47 Oct 3 3 Oct 3, 2016 3 instances 14:20:17 14:20:17 14:20:27 Nov Dec 29