7 instances from 3 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov Dec 2018 - 5 instances Jan 7 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 05:53:13 13:56:05 18:45:49 22 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 27