pre_text: NAVIOS MARITIME HOLDINGS INC. NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (Expressed in thousands of U.S. dollars — except share data) Chartered-out vessels, barges and pushboats: The future minimum revenue, net of commissions, (i) for dry bulk vessels, expected to be earned on non-cancelable time charters; and (ii) for the Company’s logistics business, expected to be earned on non-cancelable time charters, COA’s with minimum guaranteed volumes and contracts with minimum guaranteed throughput in Navios Logistics’ ports expected to be earned on non-cancelable time charters, are as follows: Revenues from time charters are not generally received when a vessel is off-hire, which includes time required for scheduled maintenance of the vessel.
table: Dry bulk vessels Logistics business
table: 2020 22,266 129,437
table: 2021 4,607 97,544
table: 2022 3,445 75,425
table: 2023 — 69,250
table: 2024 — 60,200
table: 2025 and thereafter — 642,479
table: Total minimum revenue, net of commissions $30,318 $1,074,335
question: Analyse this data from a financial earnings document. What was the difference in the minimum revenue from dry bulk vessels between 2020 and 2021?