25 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan Feb Mar Apr May Jun 28 29 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 4 instances Jan Feb Mar Apr May Jun 27 Jul 20 Aug Sep 18 Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 27 3 Jun 27, 2018 3 instances 00:16:39 18:49:53 23:49:41 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 23 Jul Aug 29 Sep Oct 4 Nov Dec 29 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:17:48 15:55:14 16:44:01 30 Oct 3 3 Oct 3, 2016 3 instances 14:41:28 14:54:38 15:39:13 Nov Dec 29