25 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 15 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 22 2 Jun 22, 2018 2 instances 11:07:10 21:40:26 27 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct 3 6 3 Oct 6, 2017 3 instances 22:19:32 22:39:40 23:23:05 Nov Dec 27 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:27:24 17:10:25 20:13:01 21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:56:21 14:07:06 14:15:02 14:16:16 Oct 1 2 Oct 1, 2016 2 instances 13:49:03 13:53:46 4 3 Oct 4, 2016 3 instances 05:56:50 06:08:45 07:06:31 Nov Dec 30