30 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 22 5 Jun 22, 2018 5 instances 02:54:38 03:03:26 03:45:26 06:04:04 20:59:08 23 3 Jun 23, 2018 3 instances 07:05:59 07:13:57 07:15:49 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 2 Jan 6, 2017 2 instances 17:22:10 17:23:15 Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 14:20:15 14:56:48 15:08:30 22 2 Jun 22, 2017 2 instances 04:21:20 04:41:29 Jul Aug Sep Oct 2 3 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 19:53:11 19:58:51 19:58:51 19:59:00 Oct 1 2 Oct 1, 2016 2 instances 09:10:08 09:17:10 4 3 Oct 4, 2016 3 instances 05:04:30 05:10:41 05:18:49 Nov Dec 29