24 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun 22 Jul 20 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 30 Jul 3 5 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:10:11 11:07:13 Jul Aug Sep Oct Nov Dec 27 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:38:48 17:05:36 22:22:36 21 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 15:36:20 16:19:26 30 2 Sep 30, 2016 2 instances 21:43:18 22:52:03 Oct 3 3 Oct 3, 2016 3 instances 14:56:49 15:09:59 15:54:33 Nov Dec 29