22 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 19 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec 2018 - 2 instances Jan 3 Feb Mar Apr May Jun Jul 16 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 30 Jul Aug Sep Oct 9 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:04:56 17:24:07 21:53:50 21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:52:18 16:35:37 18:08:22 30 2 Sep 30, 2016 2 instances 22:00:50 23:09:49 Oct 3 3 Oct 3, 2016 3 instances 15:14:31 15:28:30 16:12:06 Nov Dec 29