19 instances from 3 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 15 Dec 2017 - 7 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 2 3 Oct 2, 2017 3 instances 15:40:50 15:40:53 15:42:31 3 Nov Dec 27 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:23:55 13:33:48 13:42:13 13:43:56 Oct 1 2 Oct 1, 2016 2 instances 13:31:05 13:34:58 4 3 Oct 4, 2016 3 instances 05:38:14 05:50:51 06:47:55 Nov Dec 30