| $31 in Year | Value in 2026 |
| $31 in 1914 | $1,004.57 |
| $31 in 1915 | $994.62 |
| $31 in 1916 | $975.31 |
| $31 in 1917 | $866.01 |
| $31 in 1918 | $733.26 |
| $31 in 1919 | $608.83 |
| $31 in 1920 | $531.52 |
| $31 in 1921 | $517.82 |
| $31 in 1922 | $580.67 |
| $31 in 1923 | $594.42 |
| $31 in 1924 | $580.67 |
| $31 in 1925 | $580.67 |
| $31 in 1926 | $561.21 |
| $31 in 1927 | $567.55 |
| $31 in 1928 | $580.67 |
| $31 in 1929 | $587.47 |
| $31 in 1930 | $584.05 |
| $31 in 1931 | $623.95 |
| $31 in 1932 | $688.06 |
| $31 in 1933 | $766.85 |
| $31 in 1934 | $761.04 |
| $31 in 1935 | $749.68 |
| $31 in 1936 | $727.95 |
| $31 in 1937 | $717.55 |
| $31 in 1938 | $697.62 |
| $31 in 1939 | $717.55 |
| $31 in 1940 | $717.55 |
| $31 in 1941 | $712.46 |
| $31 in 1942 | $648.11 |
| $31 in 1943 | $594.42 |
| $31 in 1944 | $577.34 |
| $31 in 1945 | $564.36 |
| $31 in 1946 | $551.96 |
| $31 in 1947 | $467.24 |
| $31 in 1948 | $429.30 |
| $31 in 1949 | $416.83 |
| $31 in 1950 | $425.66 |
| $31 in 1951 | $401.83 |
| $31 in Year | Value in 2026 |
| $31 in 1952 | $379.08 |
| $31 in 1953 | $376.24 |
| $31 in 1954 | $373.45 |
| $31 in 1955 | $376.24 |
| $31 in 1956 | $374.84 |
| $31 in 1957 | $363.97 |
| $31 in 1958 | $353.72 |
| $31 in 1959 | $347.60 |
| $31 in 1960 | $341.69 |
| $31 in 1961 | $337.10 |
| $31 in 1962 | $334.86 |
| $31 in 1963 | $330.45 |
| $31 in 1964 | $325.10 |
| $31 in 1965 | $321.98 |
| $31 in 1966 | $315.90 |
| $31 in 1967 | $305.34 |
| $31 in 1968 | $296.33 |
| $31 in 1969 | $282.98 |
| $31 in 1970 | $266.46 |
| $31 in 1971 | $252.40 |
| $31 in 1972 | $244.42 |
| $31 in 1973 | $236.37 |
| $31 in 1974 | $217.44 |
| $31 in 1975 | $193.56 |
| $31 in 1976 | $181.00 |
| $31 in 1977 | $172.61 |
| $31 in 1978 | $161.77 |
| $31 in 1979 | $148.39 |
| $31 in 1980 | $130.97 |
| $31 in 1981 | $116.40 |
| $31 in 1982 | $106.87 |
| $31 in 1983 | $102.93 |
| $31 in 1984 | $99.17 |
| $31 in 1985 | $95.40 |
| $31 in 1986 | $91.91 |
| $31 in 1987 | $90.91 |
| $31 in 1988 | $87.05 |
| $31 in 1989 | $83.37 |
| $31 in Year | Value in 2026 |
| $31 in 1990 | $79.66 |
| $31 in 1991 | $75.08 |
| $31 in 1992 | $72.85 |
| $31 in 1993 | $70.79 |
| $31 in 1994 | $68.90 |
| $31 in 1995 | $67.11 |
| $31 in 1996 | $65.44 |
| $31 in 1997 | $63.34 |
| $31 in 1998 | $62.28 |
| $31 in 1999 | $61.29 |
| $31 in 2000 | $59.69 |
| $31 in 2001 | $57.73 |
| $31 in 2002 | $56.85 |
| $31 in 2003 | $55.53 |
| $31 in 2004 | $54.51 |
| $31 in 2005 | $52.79 |
| $31 in 2006 | $51.05 |
| $31 in 2007 | $49.78 |
| $31 in 2008 | $47.83 |
| $31 in 2009 | $47.78 |
| $31 in 2010 | $46.52 |
| $31 in 2011 | $45.83 |
| $31 in 2012 | $44.51 |
| $31 in 2013 | $43.75 |
| $31 in 2014 | $43.11 |
| $31 in 2015 | $42.78 |
| $31 in 2016 | $42.47 |
| $31 in 2017 | $41.61 |
| $31 in 2018 | $40.75 |
| $31 in 2019 | $39.99 |
| $31 in 2020 | $39.09 |
| $31 in 2021 | $38.57 |
| $31 in 2022 | $36.03 |
| $31 in 2023 | $33.85 |
| $31 in 2024 | $32.75 |
| $31 in 2025 | $31.83 |
| $31 in 2026 | $31.00 |