12 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 27 Jul 20 Aug Sep 17 Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 24 27 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 13:28:50 15:46:04 Jul Aug Sep Oct 2 Nov Dec 26