21 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 21 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 12 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2018 - 4 instances Jan 4 Feb Mar Apr May Jun 28 Jul 2 13 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:47:37 11:50:13 Jul Aug Sep Oct 8 Nov Dec 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:09:11 18:03:24 30 Oct 3 2 Oct 3, 2016 2 instances 15:30:18 15:44:21 Nov Dec 29