31 instances from 5 years 2020 - 5 instances Jan 18 Feb 12 13 Mar Apr May Jun 28 Jul Aug Sep Oct Nov 14 Dec 2019 - 4 instances Jan Feb 27 Mar 5 Apr May Jun 27 Jul Aug Sep Oct 26 Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 11:18:17 19:38:45 22 Jul Aug Sep 24 Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 14:43:27 16:53:38 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:07:03 15:16:35 16:03:09 20:57:17 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 17:01:37 17:12:34 19:06:57 19:29:53 Oct 1 3 3 Oct 3, 2016 3 instances 14:26:23 15:32:13 19:02:07 Nov Dec 29