24 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 04:27:18 04:27:37 04:30:32 04:33:55 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:15:16 04:20:23 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:29:07 10:58:21 11:00:34 11:04:13 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:23:02 10:27:31 10:27:35 10:28:25 30 2 Sep 30, 2016 2 instances 18:29:06 18:34:40 Oct 3 3 Oct 3, 2016 3 instances 10:32:17 10:32:27 10:32:27 Nov Dec 29