9.1%
Telephone
and telex
equipment
and services
12%
10
8
8.7%
Overall CPI
6
4
2
0
−2
2014
2016
2018
2020
2022
May 2023
9.1%
Telephone
and telex
equipment
and services
12%
10
8
8.7%
Overall CPI
6
4
2
0
−2
2014
2016
2018
2020
2022
May 2023