20 instances from 4 years 2019 - 3 instances Jan Feb Mar Apr May Jun Jul 20 2 Jul 20, 2019 2 instances 10:53:00 10:53:04 Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 07:01:11 07:01:13 07:06:27 18:55:44 19:06:40 19:11:00 20:45:01 22 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 06:11:16 15:27:25 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:23:29 09:29:24 09:30:54 30 Oct 3 3 Oct 3, 2016 3 instances 10:00:11 10:00:11 10:00:45 Nov Dec