31 instances from 6 years 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 4 instances Jan Feb Mar Apr May Jun 27 Jul 20 Aug Sep 17 Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 24 27 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 4 Nov 20 Dec 29 2016 - 14 instances Jan Feb 17 Mar Apr 7 May Jun 21 4 Jun 21, 2016 4 instances 11:33:56 13:39:25 14:24:12 15:19:32 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 17:12:52 17:33:55 19:09:25 19:32:08 30 2 Sep 30, 2016 2 instances 23:43:47 23:48:11 Oct 3 2 Oct 3, 2016 2 instances 17:06:54 18:02:16 Nov Dec 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 2 Dec 16, 2015 2 instances 12:56:44 19:26:30