19 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 03:06:30 03:06:33 03:06:39 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:35:42 08:41:28 Jul Aug Sep Oct 2 Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:22:53 15:35:41 15:43:33 15:47:07 30 2 Sep 30, 2016 2 instances 21:50:54 21:53:27 Oct 3 3 Oct 3, 2016 3 instances 13:57:43 14:06:28 14:23:21 Nov Dec 29