21 instances from 5 years 2020 - 1 instance Jan 18 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:23:56 07:23:46 07:40:14 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:58:18 04:19:06 Jul Aug Sep Oct Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 09:17:02 12:34:19 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:31:55 10:32:06 10:32:08 10:36:48 30 2 Sep 30, 2016 2 instances 18:28:08 18:32:19 Oct 3 3 Oct 3, 2016 3 instances 10:34:06 10:34:33 10:50:44 Nov Dec 29