Question: has cpi ever gone down?
Answer: From 1989 until 2019 the Consumer Price Index rate fluctuated between a high of 7 percent in 1990 and low of zero in 2015, indicating no change in prices between 2014 and 2015. Since 2015 there has been a slight increase in CPI rate, reaching 2.7 percent in 2017 and 2.5 percent in 2018.