20 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 29 Jul Aug Sep Oct Nov 13 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep 18 Oct 26 Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:51:34 11:54:09 Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:21:13 17:13:41 22:06:15 21 Jul Aug Sep 19 30 Oct 3 3 Oct 3, 2016 3 instances 15:31:14 15:45:17 16:31:35 Nov Dec 29