20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:04:23 03:04:23 03:04:23 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:49:58 08:54:17 09:26:23 09:31:13 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:12:16 10:14:02 10:16:30 10:16:35 30 2 Sep 30, 2016 2 instances 18:20:09 18:25:53 Oct 3 3 Oct 3, 2016 3 instances 10:12:16 10:12:16 10:12:17 Nov Dec 29