7 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:43:24 03:44:08 03:45:06 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:59:18 20:59:19 Jul Aug Sep Oct Nov Dec 2016 - 1 instance Jan Feb Mar Apr May Jun 20 Jul Aug Sep Oct Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17