D.1998-2000
Step-by-step explanation:
Deflation describes the drop of prices for goods and services leading to slowing down of economic growth.During economic uncertainty, prices of goods and services can get very low causing the inflation rate to go lower than zero.CPI index shows inflation when it rises over a short period of time.CPI declines to mean deflation where there is a steady decrease in prices of goods and services.
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Consumer Price Index:https://brainly.com/question/12057927
Keywords : table, CPI, country, period, deflation
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