Good read on brake pads:
http://blog.caranddriver.com/perform...c-yellowstuff/
When looking at the graphs, make sure to look at the data points and how they are measured. On the 100-0 graph, each "cycle" is the average of 4 100-0 stops. So by the 4th cycle, you've made 16 stops from 100.
Granted this is a Miata. I would assume the shapes of the graphs and characteristics would be similar, but who knows