| Year | Value in 2026 |
| $15,000 in 1914 | $486,081 |
| $15,000 in 1915 | $481,268 |
| $15,000 in 1916 | $471,923 |
| $15,000 in 1917 | $419,035 |
| $15,000 in 1918 | $354,804 |
| $15,000 in 1919 | $294,595 |
| $15,000 in 1920 | $257,186 |
| $15,000 in 1921 | $250,557 |
| $15,000 in 1922 | $280,972 |
| $15,000 in 1923 | $287,622 |
| $15,000 in 1924 | $280,972 |
| $15,000 in 1925 | $280,972 |
| $15,000 in 1926 | $271,554 |
| $15,000 in 1927 | $274,622 |
| $15,000 in 1928 | $280,972 |
| $15,000 in 1929 | $284,258 |
| $15,000 in 1930 | $282,605 |
| $15,000 in 1931 | $301,914 |
| $15,000 in 1932 | $332,932 |
| $15,000 in 1933 | $371,054 |
| $15,000 in 1934 | $368,243 |
| $15,000 in 1935 | $362,747 |
| $15,000 in 1936 | $352,233 |
| $15,000 in 1937 | $347,201 |
| $15,000 in 1938 | $337,556 |
| $15,000 in 1939 | $347,201 |
| $15,000 in 1940 | $347,201 |
| $15,000 in 1941 | $344,738 |
| $15,000 in 1942 | $313,601 |
| $15,000 in 1943 | $287,622 |
| $15,000 in 1944 | $279,357 |
| $15,000 in 1945 | $273,079 |
| $15,000 in 1946 | $267,077 |
| $15,000 in 1947 | $226,084 |
| $15,000 in 1948 | $207,727 |
| $15,000 in 1949 | $201,693 |
| $15,000 in 1950 | $205,967 |
| $15,000 in 1951 | $194,432 |
| Year | Value in 2026 |
| $15,000 in 1952 | $183,427 |
| $15,000 in 1953 | $182,053 |
| $15,000 in 1954 | $180,699 |
| $15,000 in 1955 | $182,053 |
| $15,000 in 1956 | $181,374 |
| $15,000 in 1957 | $176,116 |
| $15,000 in 1958 | $171,155 |
| $15,000 in 1959 | $168,194 |
| $15,000 in 1960 | $165,334 |
| $15,000 in 1961 | $163,114 |
| $15,000 in 1962 | $162,027 |
| $15,000 in 1963 | $159,895 |
| $15,000 in 1964 | $157,308 |
| $15,000 in 1965 | $155,795 |
| $15,000 in 1966 | $152,856 |
| $15,000 in 1967 | $147,745 |
| $15,000 in 1968 | $143,387 |
| $15,000 in 1969 | $136,924 |
| $15,000 in 1970 | $128,934 |
| $15,000 in 1971 | $122,131 |
| $15,000 in 1972 | $118,268 |
| $15,000 in 1973 | $114,372 |
| $15,000 in 1974 | $105,212 |
| $15,000 in 1975 | $93,657 |
| $15,000 in 1976 | $87,582 |
| $15,000 in 1977 | $83,519 |
| $15,000 in 1978 | $78,274 |
| $15,000 in 1979 | $71,799 |
| $15,000 in 1980 | $63,374 |
| $15,000 in 1981 | $56,325 |
| $15,000 in 1982 | $51,711 |
| $15,000 in 1983 | $49,803 |
| $15,000 in 1984 | $47,984 |
| $15,000 in 1985 | $46,162 |
| $15,000 in 1986 | $44,472 |
| $15,000 in 1987 | $43,989 |
| $15,000 in 1988 | $42,121 |
| $15,000 in 1989 | $40,339 |
| Year | Value in 2026 |
| $15,000 in 1990 | $38,547 |
| $15,000 in 1991 | $36,329 |
| $15,000 in 1992 | $35,249 |
| $15,000 in 1993 | $34,255 |
| $15,000 in 1994 | $33,339 |
| $15,000 in 1995 | $32,470 |
| $15,000 in 1996 | $31,667 |
| $15,000 in 1997 | $30,648 |
| $15,000 in 1998 | $30,135 |
| $15,000 in 1999 | $29,657 |
| $15,000 in 2000 | $28,882 |
| $15,000 in 2001 | $27,936 |
| $15,000 in 2002 | $27,509 |
| $15,000 in 2003 | $26,870 |
| $15,000 in 2004 | $26,374 |
| $15,000 in 2005 | $25,543 |
| $15,000 in 2006 | $24,699 |
| $15,000 in 2007 | $24,087 |
| $15,000 in 2008 | $23,143 |
| $15,000 in 2009 | $23,122 |
| $15,000 in 2010 | $22,509 |
| $15,000 in 2011 | $22,177 |
| $15,000 in 2012 | $21,539 |
| $15,000 in 2013 | $21,171 |
| $15,000 in 2014 | $20,857 |
| $15,000 in 2015 | $20,701 |
| $15,000 in 2016 | $20,551 |
| $15,000 in 2017 | $20,133 |
| $15,000 in 2018 | $19,717 |
| $15,000 in 2019 | $19,348 |
| $15,000 in 2020 | $18,916 |
| $15,000 in 2021 | $18,661 |
| $15,000 in 2022 | $17,435 |
| $15,000 in 2023 | $16,378 |
| $15,000 in 2024 | $15,846 |
| $15,000 in 2025 | $15,402 |
| $15,000 in 2026 | $15,000 |