14 instances from 4 years 2020 - 4 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 12 14 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun Jul 20 2 Jul 20, 2019 2 instances 11:08:28 17:22:45 Aug Sep Oct 27 Nov Dec 2018 - 6 instances Jan 7 8 11 Feb Mar Apr May Jun 22 24 27 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25