20 instances from 5 years 2019 - 1 instance Jan Feb 18 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:47:42 02:50:03 03:24:06 22 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 12:39:04 15:20:04 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:30:12 10:31:25 Jul Aug Sep Oct 2 Nov 2 Dec 25 2016 - 7 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:26:12 09:49:34 10:44:27 22 Jul Aug Sep Oct 1 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16