22 instances from 6 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 02:48:00 02:48:03 02:48:11 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:13:04 08:19:02 Jul Aug Sep Oct 2 Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:28:43 11:31:12 11:48:05 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:02:10 15:13:49 15:21:50 30 2 Sep 30, 2016 2 instances 21:30:00 21:32:17 Oct 3 3 Oct 3, 2016 3 instances 13:37:13 13:45:53 14:02:46 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16