19 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:23:50 04:23:53 04:24:12 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:00:08 08:06:11 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:51:17 15:02:49 15:10:54 15:14:46 30 2 Sep 30, 2016 2 instances 21:18:37 21:21:16 Oct 3 3 Oct 3, 2016 3 instances 13:25:07 13:34:55 13:51:57 Nov Dec 29