11 to 12% a year for the past 3 years. That comes to nearly twice the 17.4% stated in this article.
Categories such as energy, used vehicles, transportation services, housing, and other categories are no longer being counted in a straight forward way. Those categories all went up far more than 17.4%. If the Consumer Price Index was being computed the same way that it was in the late 1970s, the index would now be growing at a rate of 11 to 12 percent per year.
Making up numbers is meaningless.