8 instances from 2 years 2018 - 5 instances Jan 4 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:34:52 01:34:54 01:35:05 22 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 9 2 Oct 9, 2017 2 instances 06:28:32 06:28:35 Nov Dec 25