According to the U.S. Bureau of Labor Statistics, prices for ship fare were 2.23% lower in 2019 versus 2018 (a $0.45 difference in value).

**Between 2018 and 2019:** Ship fare experienced an average inflation rate of -2.23% per year.
This rate of change indicates significant deflation.
In other words, ship fare costing $20 in the year 2018 would cost $19.55 in 2019 for an equivalent purchase.
Compared to the overall inflation rate of 1.81% during this same period, inflation for ship fare was
significantly lower.

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for *Ship fare*:

Year |
2018 | 2019 |

CPI |
66.395 | 64.917 |

Philadelphia, Pennsylvania · St Louis, Missouri · Chicago, Illinois · Televisions ·

Below are calculations of equivalent buying power for Ship fare, over time, for $20 beginning in 2018. Each of the amounts below is equivalent in terms of what it could buy at the time:

Year | USD Value | Inflation Rate |
---|---|---|

2018 | $20.00 | - |

2019 | $19.55 | -2.23%* |

CPI in 2019 / CPI in 2018 * 2018 USD value = 2019 USD value

Then plug in historical CPI values from above. The CPI for Ship fare was 66.395 in the year 2018 and 64.917 in 2019:

64.917 / 66.395 * $20 =

Therefore, according to U.S. Bureau of Labor Statistics, $20 in 2018 has the same "purchasing power" as $19.55 in 2019 (in the CPI category of Ship fare).