22 instances from 4 years 2020 - 3 instances Jan 20 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 14 Dec 2018 - 4 instances Jan 1 Feb Mar Apr May Jun 27 Jul 1 2 Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 5 2 Oct 5, 2017 2 instances 10:28:02 10:30:23 7 Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:38:20 08:58:30 08:59:12 09:17:45 30 2 Sep 30, 2016 2 instances 23:47:31 23:51:47 Oct 3 3 Oct 3, 2016 3 instances 13:37:01 14:32:10 14:38:24 Nov Dec 30