Do a google search and see what 2017 was.
I have and I don’t find that one.
Here’s what I found. 6.2% in 2016, 5.5% 2017, 6% 2018 and 6% predicted for 2019. So my coverage really hasn’t gotten less expensive and my coverage hasn’t improved.
Link for above numbers. https://www.pwc.com/us/en/health-industries/health-research-institute/behind-the-numbers.html