The CPI in May 2023 was 104.96(2021=100) which decreased by 0.10% from the preceding month and rose by 2.08% compared with the same month in 2022.

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

1. Food group increased by 0.01%.

2. Clothing group increased by 0.40%.

3. Housing group increased by 0.03%.

4. Transportation & Communication group decreased by 0.52%.

5. Health group decreased by 0.01%.

6. Education & Entertainment group decreased by 0.36%.

7. Miscellaneous group increased by 0.07%.

The CCI was 109.51(2021=100) which decreased by 0.52% from the preceding month and declined by 0.71% compared with the same month in 2022.