The CPI in October 2021 was 105.56(2016=100) which decreased 0.09% from the preceding month, and rose 2.31% compared with the same month of 2020.

Introduce percent change compared with the preceding month of 7 categories as follow:

1.Food group decreased 0.68%.

2.Clothing group increased 8.06％.

3.Housing group decreased 0.96%.

4.Transportation & Communication group increased 0.81%.

5.Health group decreased 0.39%.

6.Education & Entertainment group decreased 0.20%.

7.Miscellaneous group decreased -0.64%.

The CCI was 128.29(2016=100) which increased 0.82% from the preceding month, and rose 14.92% compared with the same month of 2020.