17 instances from 5 years 2020 - 3 instances Jan 22 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 19 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct 26 Nov Dec 2018 - 1 instance Jan 8 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 1 9 Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:13:30 15:57:37 17:27:51 Oct 1 2 Oct 1, 2016 2 instances 20:48:57 22:00:23 4 3 Oct 4, 2016 3 instances 13:16:44 15:12:59 15:41:33 Nov Dec