21 instances from 5 years 2020 - 2 instances Jan Feb Mar Apr May Jun 28 Jul 4 Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 05:04:50 05:05:31 05:07:49 05:11:00 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:43:06 10:47:31 10:47:34 10:48:15 30 2 Sep 30, 2016 2 instances 18:50:29 18:56:00 Oct 3 3 Oct 3, 2016 3 instances 10:53:26 10:53:34 10:53:35 Nov Dec 29