21 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 5 instances Jan 19 Feb Mar Apr May Jun 28 Jul 1 Aug Sep Oct Nov 12 14 Dec 2019 - 4 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep 18 Oct 26 27 Nov Dec 2018 - 4 instances Jan 1 Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 15:34:10 16:31:22 24 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:48:51 10:45:41 Jul Aug Sep Oct 8 Nov Dec 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 6 2 Oct 6, 2016 2 instances 08:09:56 11:35:36 Nov Dec 29