Chart 1. Method of Commodities and Services survy data collection in the CPI, January 2019–July 2023 (in percent)
Period Personal visit Telephone Online

Jan 2019

73 10 17

Feb 2019

72 11 17

Mar 2019

74 10 16

Apr 2019

74 10 16

May 2019

74 10 16

Jun 2019

73 10 17

Jul 2019

74 10 16

Aug 2019

73 10 17

Sep 2019

73 10 17

Oct 2019

73 10 17

Nov 2019

73 9 18

Dec 2019

72 10 18

Jan 2020

72 9 19

Feb 2020

72 10 18

Mar 2020

44 14 42

Apr 2020

0 18 82

May 2020

0 17 83

Jun 2020

0 17 83

Jul 2020

0 17 83

Aug 2020

0 17 83

Sep 2020

0 17 83

Oct 2020

0 16 84

Nov 2020

0 16 84

Dec 2020

0 16 84

Jan 2021

0 16 84

Feb 2021

0 16 84

Mar 2021

0 16 84

Apr 2021

0 16 84

May 2021

0 15 85

Jun 2021

0 15 85

Jul 2021

0 15 85

Aug 2021

0 15 85

Sep 2021

0 15 85

Oct 2021

1 13 86

Nov 2021

1 13 86

Dec 2021

1 13 86

Jan 2022

1 13 86

Feb 2022

1 13 86

Mar 2022

2 12 86

Apr 2022

3 12 85

May 2022

5 11 84

Jun 2022

5 11 84

Jul 2022

6 11 83

Aug 2022

11 11 78

Sep 2022

20 10 70

Oct 2022

27 9 64

Nov 2022

32 9 59

Dec 2022

32 9 59

Jan 2023

36 9 55

Feb 2023

37 9 54

Mar 2023

42 9 49

Apr 2023

43 9 48

May 2023

46 9 45

Jun 2023

46 8 46

Jul 2023

47 8 45

Note: CPI = Consumer Price Index.

Source: U.S. Bureau of Labor Statistics.