19 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 19 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct 26 Nov Dec 2018 - 1 instance Jan 8 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 1 10 Feb Mar Apr May Jun 30 Jul Aug 29 3 Aug 29, 2017 3 instances 15:46:02 16:16:02 16:18:27 Sep Oct Nov Dec 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 Oct 1 2 4 3 Oct 4, 2016 3 instances 17:27:51 17:55:24 20:33:44 Nov Dec