22 instances from 4 years 2020 - 2 instances Jan 20 Feb Mar Apr May Jun Jul 4 Aug Sep Oct Nov Dec 2018 - 4 instances Jan 5 Feb Mar Apr May Jun 22 27 29 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 1 10 Feb Mar Apr May Jun 23 Jul Aug 29 2 Aug 29, 2017 2 instances 17:02:31 17:28:22 Sep Oct 4 Nov Dec 28 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 21 4 Sep 21, 2016 4 instances 01:49:58 01:58:03 02:06:14 02:30:27 Oct 2 2 Oct 2, 2016 2 instances 09:42:31 09:52:13 5 3 Oct 5, 2016 3 instances 01:43:14 02:08:26 04:19:55 Nov Dec