27 instances from 6 years 2022 - 2 instances Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct 22 Nov Dec 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 29 Jul Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 7 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 13 instances Jan Feb Mar Apr May Jun 20 21 2 Jun 21, 2016 2 instances 06:12:19 06:55:21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 21:38:35 21:44:27 22:00:20 22:06:35 Oct 1 2 Oct 1, 2016 2 instances 04:37:53 04:41:12 3 3 Oct 3, 2016 3 instances 20:44:11 20:59:05 21:54:43 Nov Dec 29