14 instances from 4 years 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 27 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 16:40:30 21:57:11 22 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun 22 23 Jul Aug Sep Oct 2 3 Oct 2, 2017 3 instances 12:20:03 12:23:40 12:25:08 3 Nov Dec