Table 2: Measuring the mass of individual pennies Year Mass (g) Year Mass (g) Year Mass (g) 2016 2.496 1968 3.164 1975 3.058 1980 3.096 1975 3.053 1990 2.432 1976 3.068 2003 2.500 2002 2.515 1993 2.493 1993 2.496 1995 2.514 2003 2.499 1982 3.087 1978 3.089 981 3.087 1979 3.086 1977 3.107 989 2.479 1990 2.480 1995 2.504 964 3.085 1989 2.492 1976 3.105 964 3.222 1987 2.501 1974 3.095 981 3.065 1986 2.455 1977 3.084 89 2.500 1979 3.087 1977 3.186 75 3.047 2006 2.480 1984 2.520 86 2.500 1996 2.502 1971 3.120 90 2.511 1983 2.5 199​