Original sentence: In 1995, Adams claimed the relationship worked for the data of 62 countries.They generally suggest that fatality rates per vehicle are now decreasing faster than the formula would suggest, and that, in many cases, fatality rates per person are also falling, directly contrary to the Smeed's Law prediction
Edited sentence: He noted the enormous difference in fatality rates across different parts of the world even though vehicles may be built to approximately similar standards, which, according to the theory, is "explained by myriad behavioural adjustments in response to perceived increases in the threat of traffic.In 1995, Adams further showed the relationship worked for the data of 62 countries.They generally suggest that fatality rates per vehicle are now decreasing faster than the formula would suggest, and that, in many cases, fatality rates per person are also falling