24 instances from 4 years 2020 - 3 instances Jan Feb Mar Apr May Jun 28 Jul 4 30 Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 04:36:43 04:36:51 04:39:45 04:43:07 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:21:56 04:27:04 Jul Aug Sep Oct Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:56:59 11:03:02 11:03:49 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:25:46 10:30:08 10:30:15 10:30:59 30 2 Sep 30, 2016 2 instances 18:31:41 18:37:14 Oct 3 3 Oct 3, 2016 3 instances 10:34:50 10:35:00 10:35:01 Nov Dec 29