9 instances from 3 years 2020 - 4 instances Jan 20 Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 13 16 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 2 Jul 20, 2019 2 instances 11:02:27 18:11:44 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun Jul 1 2 13 Aug Sep Oct Nov Dec