Here’s the historical data

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Here’s the historical data from the census:
1990 14,387
1989 14,056
1988 13,123
1987 (21) 12,391
1986 11,670
1985 (20) 11,013
1984 10,328
1983 (19) 9,494
1982 8,980
1981 8,476
1980 7,787
1979 (18) 7,168
1978 6,455
1977 5,785
1976 (17) 5,271
1975 (16) 4,818
1974 (16)(15) 4,445
1973 4,141
1972 (14) 3,769
1971 (13) 3,417
1970 3,177
1969 3,007
1968 2,731
1967 (12) 2,464

Look at the per capita income in the 70s, it seems like a consistent 10% increase every year. So, what some people said about their salary in the 70s wasn’t the exception. Income went up 145% between 1970-1980. Income went up only 85% between 1980-1990. Income went up only 55% between 1990-2000. Income went up 19% between 2000-2010.