30 instances from 4 years 2018 - 2 instances Jan 4 2 Jan 4, 2018 2 instances 20:37:23 20:37:25 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 2 Jan 6, 2017 2 instances 12:41:07 12:41:10 16 2 Jan 16, 2017 2 instances 02:02:23 02:02:26 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 20 instances Jan Feb 17 2 Feb 17, 2016 2 instances 15:43:33 15:43:36 Mar Apr May Jun Jul Aug Sep 19 8 Sep 19, 2016 8 instances 08:21:11 08:21:14 08:25:52 08:25:55 08:26:03 08:26:06 08:26:18 08:26:21 30 4 Sep 30, 2016 4 instances 16:21:23 16:21:26 16:26:49 16:26:52 Oct 3 2 Oct 3, 2016 2 instances 08:26:57 08:27:00 Nov Dec 29 4 Dec 29, 2016 4 instances 02:50:41 02:50:44 05:24:52 05:24:55 2015 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 4 Dec 16, 2015 4 instances 12:06:23 12:06:26 12:40:46 12:40:49