22 instances from 5 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 02:50:13 02:50:16 02:50:24 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:20:39 08:26:30 Jul Aug Sep Oct 2 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 11:06:48 11:42:24 12:14:21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:08:19 15:20:01 15:28:00 15:32:04 30 2 Sep 30, 2016 2 instances 21:36:13 21:38:54 Oct 3 3 Oct 3, 2016 3 instances 13:43:21 13:51:58 14:08:53 Nov Dec 29