30 instances from 5 years 2020 - 4 instances Jan 19 Feb Mar Apr May Jun 28 Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 4 instances Jan 7 Feb Mar Apr May Jun 26 2 Jun 26, 2018 2 instances 13:31:38 19:06:43 27 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan 6 Feb Mar Apr May Jun 21 22 2 Jun 22, 2017 2 instances 09:27:01 17:21:01 23 Jul Aug Sep Oct 2 Nov Dec 25 29 2016 - 12 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:30:09 11:26:08 11:33:05 12:03:22 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:03:38 09:29:14 09:44:19 30 2 Sep 30, 2016 2 instances 16:59:43 17:28:47 Oct 3 2 Oct 3, 2016 2 instances 09:34:49 09:45:38 Nov Dec 29