26 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 19 Dec 2018 - 4 instances Jan 8 Feb Mar Apr May Jun Jul 1 10 12 Aug Sep Oct Nov Dec 2017 - 9 instances Jan 9 Feb Mar Apr May Jun Jul 2 Aug Sep Oct 4 3 Oct 4, 2017 3 instances 00:24:49 00:28:52 00:36:20 5 Nov 20 2 Nov 20, 2017 2 instances 20:14:02 21:34:19 Dec 30 2016 - 11 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:00:50 14:11:38 14:20:14 14:24:27 30 Oct 3 3 Oct 3, 2016 3 instances 12:35:02 12:43:45 13:00:17 Nov Dec 31