27 instances from 6 years 2020 - 4 instances Jan 20 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 13 2 Nov 13, 2020 2 instances 22:03:55 22:04:02 Dec 2019 - 1 instance Jan Feb Mar 4 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 09:53:23 12:35:16 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug 30 Sep Oct 2 Nov Dec 26 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 21 23 2 Jun 23, 2016 2 instances 08:40:27 18:26:11 Jul Aug Sep 19 20 3 Sep 20, 2016 3 instances 03:09:02 03:20:00 03:30:34 Oct 1 2 Oct 1, 2016 2 instances 10:08:01 10:09:21 4 3 Oct 4, 2016 3 instances 02:12:43 02:26:06 03:23:06 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16