26 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 20:23:31 20:37:16 22 3 Jun 22, 2018 3 instances 04:44:40 11:12:48 11:24:54 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:01:06 13:24:36 13:45:39 19:10:27 19:29:32 19:53:22 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:36:17 11:41:56 11:42:05 11:43:32 30 2 Sep 30, 2016 2 instances 21:26:34 21:30:34 Oct 3 3 Oct 3, 2016 3 instances 14:36:21 14:36:22 14:36:23 Nov Dec