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 20:21:36 20:35:20 22 3 Jun 22, 2018 3 instances 04:43:51 11:10:56 11:23:02 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:59:10 13:22:41 13:43:44 19:08:37 19:27:42 19:51:32 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 11:34:23 11:40:02 11:40:10 11:41:37 30 2 Sep 30, 2016 2 instances 21:21:16 21:27:03 Oct 3 3 Oct 3, 2016 3 instances 14:32:24 14:32:29 14:32:30 Nov Dec