28 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 21 4 Jun 21, 2018 4 instances 15:10:30 15:39:12 15:50:22 15:54:21 22 3 Jun 22, 2018 3 instances 03:06:40 10:44:08 10:56:32 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:35:44 16:38:51 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:49:01 10:50:32 18:47:03 19:06:54 19:30:03 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:42:55 19:53:43 Nov 8 2 Nov 8, 2017 2 instances 20:58:29 20:58:32 20 Dec 25 26 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 29 30 Oct 3 3 Oct 3, 2016 3 instances 13:14:43 13:14:46 13:14:47 Nov Dec 29