The rest of the graphs show annual differences (though I could have been clearer in stating this in the text). (judithcurry.com)
While it may seem like an extra percentage point between friends is marginal, the 113bp average annual difference between the highest - yielding decile and the seventh - highest yielding decile is 2.5 x your money over this ultra-long sample period. (seekingalpha.com)
Healthcare costs were significantly lower in the screening group compared with the no - screening control group, with an average annual difference in healthcare costs of $ 889 per individual with diabetes. (sciencedaily.com)