25 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 20 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 12 15 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 27 Jul Aug Sep 18 Oct Nov Dec 2018 - 4 instances Jan 4 Feb Mar Apr May Jun 27 Jul 2 10 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:57:04 11:59:30 Jul Aug Sep Oct 7 Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2016 3 instances 14:06:48 17:01:38 20:52:35 Jul Aug Sep 19 30 Oct 3 3 Oct 3, 2016 3 instances 15:34:30 15:48:32 16:34:50 Nov Dec 29