20 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 12 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:22:55 11:20:13 Jul Aug Sep Oct 3 Nov Dec 27 2016 - 12 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 00:35:32 00:42:24 07:20:48 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 15:38:29 15:45:17 30 2 Sep 30, 2016 2 instances 21:53:37 22:12:16 Oct 3 3 Oct 3, 2016 3 instances 15:07:25 15:21:28 16:05:01 Nov Dec 29