14 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 1 instance Jan 18 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 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:14:42 14:51:37 19:45:31 20:03:26 Oct 1 2 Oct 1, 2016 2 instances 20:47:18 22:02:35 4 3 Oct 4, 2016 3 instances 15:21:04 15:54:11 18:35:40 Nov Dec