20 instances from 5 years 2020 - 1 instance Jan 22 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 2 instances Jan 5 Feb Mar Apr May Jun 21 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 3 Nov Dec 26 2016 - 12 instances Jan Feb Mar Apr May Jun 23 2 Jun 23, 2016 2 instances 08:45:13 18:25:28 Jul Aug Sep 19 20 3 Sep 20, 2016 3 instances 03:07:43 03:18:21 03:29:11 Oct 1 2 Oct 1, 2016 2 instances 10:06:45 10:08:02 4 3 Oct 4, 2016 3 instances 02:11:20 02:24:45 03:21:40 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16