You are given the following table of data on nominal GDP and nominal public expenditure on country X (all figures are in billions of EUR) Data Year Nominal GDP Nominal public expenditure 2017) 977 392 2018 1025 431 2019 1065 405 2020 1077 472 If both variables follow the normal distribution, what is the value of the correlation coefficient between public expenditure and GDP (rounded to the first digit after the decimal point)