30 instances from 4 years 2020 - 8 instances Jan Feb Mar Apr May Jun 28 Jul 4 16 23 2 Jul 23, 2020 2 instances 14:30:44 14:30:49 30 Aug Sep Oct Nov 12 2 Nov 12, 2020 2 instances 22:06:02 22:07:08 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:57:45 01:57:49 01:57:55 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:58:45 02:00:24 Jul Aug Sep Oct 2 Nov 20 Dec 25 2016 - 13 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:49:49 08:51:56 09:19:38 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:51:53 08:56:31 08:56:42 08:56:54 30 Oct 3 3 Oct 3, 2016 3 instances 08:58:57 08:59:12 08:59:24 Nov Dec 29