20 instances from 3 years 2018 - 13 instances Jan 4 2 Jan 4, 2018 2 instances 15:57:32 19:00:51 5 Feb Mar Apr May 17 24 2 May 24, 2018 2 instances 09:49:45 10:11:05 31 Jun 22 3 Jun 22, 2018 3 instances 10:15:59 14:45:48 16:57:48 Jul 5 6 12 Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 22 2 Jun 22, 2017 2 instances 11:31:54 15:27:03 Jul 28 Aug Sep Oct Nov Dec 2016 - 3 instances Jan Feb Mar Apr May Jun 21 Jul Aug Sep Oct 12 18 Nov Dec