20 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 04:14:41 04:14:44 04:15:05 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:35:24 09:39:37 Jul Aug Sep Oct Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:27:10 12:43:59 13:24:30 13:26:27 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:23:44 16:29:08 16:32:48 30 Oct 3 2 Oct 3, 2016 2 instances 14:51:47 15:09:29 Nov Dec 29