22 instances from 6 years 2022 - 2 instances Jan Feb Mar Apr May Jun 25 Jul Aug Sep Oct 22 Nov Dec 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep 18 Oct Nov Dec 2017 - 2 instances Jan 7 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2016 2 instances 10:32:31 19:23:06 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:48:42 15:23:15 20:19:40 20:36:40 Oct 1 2 Oct 1, 2016 2 instances 21:21:17 22:37:35 4 3 Oct 4, 2016 3 instances 15:55:37 16:30:20 19:10:12 Nov Dec 30