The CPI in December 2021 was 105.41(2016=100) which decreased -0.44% from the preceding month, and rose 2.24% compared with the same month of 2020.
Introduce percent change compared with the preceding month of 7 categories as follow:
1.Food group decreased 0.50%.
2.Clothing group decreased 1.33%.
3.Housing group increased 0.14%.
4.Transportation & Communication group decreased -1.74%.
5.Health group decreased -0.31%.
6.Education & Entertainment group decreased -0.57%.
7.Miscellaneous group increased 0.31%.
The CCI was 128.72(2016=100) which decreased -0.09% from the preceding month, and rose 12.55% compared with the same month of 2020.