Figure 2. PPI for All Commodities, 1913–26
Date Index level

Jan 1913

12.1

Feb 1913

12.0

Mar 1913

12.0

Apr 1913

12.0

May 1913

11.9

Jun 1913

11.9

Jul 1913

12.0

Aug 1913

12.0

Sep 1913

12.2

Oct 1913

12.2

Nov 1913

12.1

Dec 1913

11.9

Jan 1914

11.8

Feb 1914

11.8

Mar 1914

11.7

Apr 1914

11.7

May 1914

11.6

Jun 1914

11.6

Jul 1914

11.6

Aug 1914

12.0

Sep 1914

12.1

Oct 1914

11.7

Nov 1914

11.7

Dec 1914

11.6

Jan 1915

11.8

Feb 1915

11.8

Mar 1915

11.8

Apr 1915

11.8

May 1915

11.9

Jun 1915

11.8

Jul 1915

11.9

Aug 1915

11.8

Sep 1915

11.8

Oct 1915

12.1

Nov 1915

12.3

Dec 1915

12.8

Jan 1916

13.3

Feb 1916

13.5

Mar 1916

13.9

Apr 1916

14.1

May 1916

14.2

Jun 1916

14.3

Jul 1916

14.4

Aug 1916

14.7

Sep 1916

15.0

Oct 1916

15.7

Nov 1916

16.8

Dec 1916

17.1

Jan 1917

17.6

Feb 1917

18.0

Mar 1917

18.5

Apr 1917

19.7

May 1917

20.8

Jun 1917

21.0

Jul 1917

21.2

Aug 1917

21.5

Sep 1917

21.3

Oct 1917

21.1

Nov 1917

21.2

Dec 1917

21.2

Jan 1918

21.6

Feb 1918

21.1

Mar 1918

21.8

Apr 1918

22.1

May 1918

22.1

Jun 1918

22.2

Jul 1918

22.7

Aug 1918

23.2

Sep 1918

23.7

Oct 1918

23.5

Nov 1918

23.5

Dec 1918

23.5

Jan 1919

23.2

Feb 1919

22.4

Mar 1919

22.6

Apr 1919

22.9

May 1919

23.3

Jun 1919

23.4

Jul 1919

24.3

Aug 1919

24.9

Sep 1919

24.3

Oct 1919

24.4

Nov 1919

24.9

Dec 1919

26.0

Jan 1920

27.2

Feb 1920

27.1

Mar 1920

27.3

Apr 1920

28.5

May 1920

28.8

Jun 1920

28.7

Jul 1920

28.6

Aug 1920

27.8

Sep 1920

26.8

Oct 1920

24.9

Nov 1920

23.0

Dec 1920

20.8

Jan 1921

19.6

Feb 1921

18.1

Mar 1921

17.7

Apr 1921

17.0

May 1921

16.6

Jun 1921

16.1

Jul 1921

16.1

Aug 1921

16.1

Sep 1921

16.1

Oct 1921

16.2

Nov 1921

16.2

Dec 1921

16.0

Jan 1922

15.7

Feb 1922

16.0

Mar 1922

16.0

Apr 1922

16.1

May 1922

16.6

Jun 1922

16.6

Jul 1922

17.1

Aug 1922

17.0

Sep 1922

17.1

Oct 1922

17.2

Nov 1922

17.3

Dec 1922

17.3

Jan 1923

17.6

Feb 1923

17.8

Mar 1923

18.0

Apr 1923

17.9

May 1923

17.5

Jun 1923

17.3

Jul 1923

17.0

Aug 1923

16.9

Sep 1923

17.2

Oct 1923

17.1

Nov 1923

17.0

Dec 1923

16.9

Jan 1924

17.2

Feb 1924

17.2

Mar 1924

17.0

Apr 1924

16.7

May 1924

16.5

Jun 1924

16.4

Jul 1924

16.5

Aug 1924

16.7

Sep 1924

16.7

Oct 1924

16.9

Nov 1924

17.1

Dec 1924

17.5

Jan 1925

17.7

Feb 1925

17.9

Mar 1925

17.9

Apr 1925

17.5

May 1925

17.5

Jun 1925

17.7

Jul 1925

18.0

Aug 1925

17.9

Sep 1925

17.8

Oct 1925

17.8

Nov 1925

18.0

Dec 1925

17.8

Jan 1926

17.8

Feb 1926

17.6

Mar 1926

17.3

Apr 1926

17.3

May 1926

17.3

Jun 1926

17.3

Jul 1926

17.1

Aug 1926

17.1

Sep 1926

17.2

Oct 1926

17.1

Nov 1926

17.0

Dec 1926

16.9

Source: U.S. Bureau of Labor Statistics.