18 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun 28 Jul 24 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:23:53 01:23:57 01:24:06 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:15:47 07:21:56 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:16:31 14:27:58 14:36:24 14:40:30 30 2 Sep 30, 2016 2 instances 20:43:57 20:46:53 Oct 3 3 Oct 3, 2016 3 instances 12:50:37 12:59:21 13:16:01 Nov Dec