25 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 22 4 Jun 22, 2018 4 instances 03:17:59 03:26:55 04:09:32 21:00:39 23 3 Jun 23, 2018 3 instances 07:08:54 07:16:43 07:18:41 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 14:45:06 15:17:43 15:29:41 22 2 Jun 22, 2017 2 instances 04:23:54 04:43:56 Jul Aug Sep Oct 2 3 Nov Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 25 8 Sep 25, 2016 8 instances 08:13:06 08:13:11 08:22:50 08:22:54 08:25:29 08:25:34 08:34:35 08:34:39 Oct Nov Dec