Question: From 1981 to 1985, the US federal government increased defense spending from $153.9 billion to $245.1 billion per year while over the same period Gross Domestic Product rose from $3.128 trillion to $4.220 trillion. From 2001 to 2005, the US federal government increased defense spending from $290.3 billion to $474.2 billion, while over the same period Gross Domestic Product rose from $10.128 trillion to $12.479 trillion. Which increase in defense spending was larger relative to Gross Domestic Product?