22 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 02:50:07 02:50:10 02:50:18 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:20:30 08:26:22 Jul Aug Sep Oct 2 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:02:40 11:06:45 11:42:13 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:08:11 15:19:54 15:27:52 15:31:53 30 2 Sep 30, 2016 2 instances 21:36:05 21:38:46 Oct 3 3 Oct 3, 2016 3 instances 13:43:14 13:51:51 14:08:46 Nov Dec 29