pre_text: 24. Government grants The following government grants are included within trade and other payables: Government grants have been received to accelerate and support research and development in the vulnerability of global navigation satellite systems and other high technology projects.
table: 2019 2018
table: $ million $ million
table: At 1 January 2.3 2.6
table: Received during the year 0.3 0.1
table: Released to the income statement (0.6) (0.4)
table: At 31 December 2.0 2.3
question: Analyse this data from a financial earnings document. What was the change in the amount at 31 December?