21 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 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 05:10:11 05:10:23 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:09:05 10:13:24 Jul Aug Sep Oct 2 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:10:47 12:49:33 13:10:34 13:37:10 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:18:59 16:33:48 16:39:30 16:42:29 30 Oct 3 3 Oct 3, 2016 3 instances 14:54:21 15:02:24 15:19:59 Nov Dec 29