22 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun 28 Jul 4 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:05:23 04:05:53 04:08:51 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:45:32 03:50:33 Jul Aug Sep Oct Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:04:39 11:12:06 11:16:35 11:19:17 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:16:01 10:20:32 10:20:36 10:21:16 30 2 Sep 30, 2016 2 instances 18:21:34 18:27:09 Oct 3 3 Oct 3, 2016 3 instances 10:24:46 10:24:57 10:24:57 Nov Dec 29