25 instances from 6 years 2021 - 2 instances Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov 6 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 27 Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:25:30 13:20:31 18:07:40 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:21:48 14:56:49 19:51:27 20:09:12 Oct 1 2 Oct 1, 2016 2 instances 20:53:21 22:08:11 4 3 Oct 4, 2016 3 instances 15:27:18 16:00:20 18:41:46 Nov Dec 30