They also included 0.9.0 vs 0.10.0. on the new hardware. (21385 vs 18203), so the jump because of software is 17%.

Then if we take 0.9.0 on previous hardware (13088) and add the 17%, it's 15375. Version 0.1.0 was 7335.

So... 15375/7335 -> a staggering 2.1x improvement in just under 2 years