15 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 14:39:06 15:05:30 15:07:59 15:23:17 22 3 Jun 22, 2018 3 instances 02:53:18 05:14:22 05:53:26 24 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 3 2 Oct 3, 2017 2 instances 03:05:10 03:05:45 Nov 8 2 Nov 8, 2017 2 instances 20:17:23 20:17:26 Dec 25 2 Dec 25, 2017 2 instances 13:13:58 20:39:42