8 instances from 3 years 2020 - 1 instance Jan 23 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 6 instances Jan 7 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 05:32:13 13:46:13 18:35:48 22 2 Jun 22, 2018 2 instances 18:28:37 19:23:08 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 26