25 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun 28 Jul 4 Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 04:31:04 04:31:23 04:34:17 04:37:40 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:18:21 04:23:28 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:32:32 10:40:53 11:20:08 11:25:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:24:24 10:28:53 10:28:57 10:29:47 30 2 Sep 30, 2016 2 instances 18:30:28 18:36:02 Oct 3 3 Oct 3, 2016 3 instances 10:33:39 10:33:49 10:33:49 Nov Dec 29