30 instances from 5 years 2020 - 5 instances Jan 19 Feb 13 Mar Apr May Jun 30 Jul Aug Sep Oct Nov 13 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 27 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 28 29 Jul 12 Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 Feb Mar Apr May Jun 25 Jul Aug Sep Oct 3 3 Oct 3, 2017 3 instances 09:46:23 09:51:18 09:55:14 6 Nov Dec 31 2016 - 13 instances Jan Feb Mar Apr May Jun 25 26 2 Jun 26, 2016 2 instances 00:19:12 03:53:15 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:27:50 13:37:46 13:46:07 13:47:51 30 2 Sep 30, 2016 2 instances 19:54:36 19:58:03 Oct 3 3 Oct 3, 2016 3 instances 12:02:06 12:08:39 12:27:32 Nov Dec 30