pre_text: NOTE 6 - continued For information on assets provided as collateral security, please refer to note 16. Please refer to note 8 for information on impairment testing. The depreciation expense related to "Other plant and operating equipment" of USD 1.0m relates to "Administrative expense" (2018: USD 1.1m, 2017: USD 0.9m). Depreciation and impairment losses on tangible fixed assets on "Vessels and capitalized dry-docking" relate to operating expenses.
table: USDm 2019 2018 2017
table: Other plant and operating equipment
table: Cost:
table: Balance as of 1 January 5.8 3.6 2.7
table: Adjustment on transition to IFRS 16 0.3 - -
table: Additions 2.2 2.2 1.0
table: Disposals -0.2 - -0.1
table: Balance as of 31 December 8.1 5.8 3.6
table: Depreciation:
table: Balance as of 1 January 2.8 1.7 0.9
table: Disposals - - -0.1
table: Depreciation for the year 1.0 1.1 0.9
table: Balance as of 31 December 3.8 2.8 1.7
table: Carrying amount as of 31 December 4.3 3.0 1.9
question: Analyse this data from a financial earnings document. What was the change in the carrying amount as of 31 December from 2018 to 2019?