exports as a % of GDP: 66.2% general government spending as a % of GDP: 53.7% net investment in non financial assets as a % of GDP: 0.2384 % tax revenue as a % of GDP: 44.6% the savings rate as a % of GDP:4.35% imports as a % of GDP: .135% Based on the percentages the total leakage are greater than the injections. Belgium is in a expansion because of the increase in the GDP