16 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan 23 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 1 instance Jan 1 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 26 Jul Aug 29 3 Aug 29, 2017 3 instances 16:52:11 16:59:27 17:18:43 Sep Oct Nov 20 Dec 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep 30 Oct 3 3 Oct 3, 2016 3 instances 09:05:24 09:08:34 09:15:29 Nov Dec 29