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 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:56:22 03:56:26 03:56:44 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:27:25 09:31:47 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:25:55 12:35:08 13:23:38 13:39:25 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:22:40 16:25:47 30 Oct 3 3 Oct 3, 2016 3 instances 14:37:14 14:45:20 15:02:59 Nov Dec 29