6 instances from 3 years 2020 - 2 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:01:47 10:51:38 19:14:50 Jul Aug Sep Oct Nov Dec