22 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 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 04:09:49 04:09:52 04:10:13 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:16:44 08:22:42 Jul Aug Sep Oct Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:29:36 11:30:36 11:47:17 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:05:46 15:17:29 15:25:28 30 2 Sep 30, 2016 2 instances 21:33:39 21:36:21 Oct 3 3 Oct 3, 2016 3 instances 13:40:49 13:49:28 14:06:22 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16