14 instances from 4 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 1 instance Jan 8 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:23:26 14:58:26 19:53:06 20:12:48 Oct 1 2 Oct 1, 2016 2 instances 20:54:58 22:09:49 4 3 Oct 4, 2016 3 instances 15:28:54 16:01:57 18:43:23 Nov Dec 30