6 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 07:07:10 07:07:13 07:12:58 20:47:40 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25