28 instances from 4 years 2019 - 4 instances Jan Feb Mar Apr May Jun Jul 20 Aug 21 Sep 18 Oct 26 Nov Dec 2018 - 16 instances Jan 4 2 Jan 4, 2018 2 instances 16:22:16 23:39:34 Feb Mar Apr May 17 24 3 May 24, 2018 3 instances 09:51:14 10:17:47 10:20:26 29 31 Jun 21 3 Jun 21, 2018 3 instances 15:30:07 15:59:56 18:33:04 22 3 Jun 22, 2018 3 instances 14:23:31 16:05:53 17:03:14 Jul 5 6 Aug Sep Oct Nov Dec 2017 - 7 instances Jan 19 Feb Mar Apr May Jun 22 4 Jun 22, 2017 4 instances 08:21:49 11:55:08 16:19:15 23:40:32 23 Jul Aug 29 Sep Oct Nov Dec 2016 - 1 instance Jan Feb Mar Apr May Jun 29 Jul Aug Sep Oct Nov Dec