I assume you mean attainable rather than sync?
I did indeed. Good spot, Alex. Shouldn't post when I'm supposed to be working. I was never very good at multi-tasking and it always ends badly!
Some of my stats for comparison:
November 2016:
Max: Upstream rate = 30773 Kbps, Downstream rate = 103792 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 79987 Kbps
January 2019
Max: Upstream rate = 23149 Kbps, Downstream rate = 86840 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 79987 Kbps
Now:
Max: Upstream rate = 24029 Kbps, Downstream rate = 82770 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 79987 Kbps