According to the U.S. Bureau of Labor Statistics, prices for clocks, lamps, and decorator items were 51.10% lower in 2020 versus 1977 (a $10.22 difference in value).
Between 1977 and 2020: Clocks, lamps, and decorator items experienced an average inflation rate of -1.65% per year. In other words, clocks, lamps, and decorator items costing $20 in the year 1977 would cost $9.78 in 2020 for an equivalent purchase. Compared to the overall inflation rate of 3.43% during this same period, inflation for clocks, lamps, and decorator items was significantly lower.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Clocks, lamps, and decorator items:
| Year | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| CPI | 75.200 | 76.692 | 80.262 | 88.731 | 94.800 | 98.192 | 100.200 | 101.592 | 103.254 | 102.277 | 102.946 | 105.431 | 109.015 | 112.769 | 116.631 | 118.500 | 119.700 | 119.385 | 119.238 | 119.985 | 119.777 | 120.154 | 116.792 | 111.723 | 107.485 | 103.285 | 96.177 | 91.438 | 88.031 | 79.585 | 73.604 | 69.854 | 67.192 | 62.862 | 59.476 | 56.099 | 52.784 | 49.431 | 47.123 | 44.848 | 40.998 | 37.709 | 37.065 | 36.769 |
Below are calculations of equivalent buying power for Clocks, lamps, and decorator items, over time, for $20 beginning in 1977. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1977 | $20.00 | - |
| 1978 | $20.40 | 1.98% |
| 1979 | $21.35 | 4.65% |
| 1980 | $23.60 | 10.55% |
| 1981 | $25.21 | 6.84% |
| 1982 | $26.11 | 3.58% |
| 1983 | $26.65 | 2.04% |
| 1984 | $27.02 | 1.39% |
| 1985 | $27.46 | 1.64% |
| 1986 | $27.20 | -0.95% |
| 1987 | $27.38 | 0.65% |
| 1988 | $28.04 | 2.41% |
| 1989 | $28.99 | 3.40% |
| 1990 | $29.99 | 3.44% |
| 1991 | $31.02 | 3.42% |
| 1992 | $31.52 | 1.60% |
| 1993 | $31.84 | 1.01% |
| 1994 | $31.75 | -0.26% |
| 1995 | $31.71 | -0.12% |
| 1996 | $31.91 | 0.63% |
| 1997 | $31.86 | -0.17% |
| 1998 | $31.96 | 0.31% |
| 1999 | $31.06 | -2.80% |
| 2000 | $29.71 | -4.34% |
| 2001 | $28.59 | -3.79% |
| 2002 | $27.47 | -3.91% |
| 2003 | $25.58 | -6.88% |
| 2004 | $24.32 | -4.93% |
| 2005 | $23.41 | -3.73% |
| 2006 | $21.17 | -9.59% |
| 2007 | $19.58 | -7.52% |
| 2008 | $18.58 | -5.09% |
| 2009 | $17.87 | -3.81% |
| 2010 | $16.72 | -6.44% |
| 2011 | $15.82 | -5.39% |
| 2012 | $14.92 | -5.68% |
| 2013 | $14.04 | -5.91% |
| 2014 | $13.15 | -6.35% |
| 2015 | $12.53 | -4.67% |
| 2016 | $11.93 | -4.83% |
| 2017 | $10.90 | -8.59% |
| 2018 | $10.03 | -8.02% |
| 2019 | $9.86 | -1.71% |
| 2020 | $9.78 | -0.80%* |