US GDP analyzed. Good reference.

Link. “2011, nominal G.D.P. was $15,094 billion. Of this, purchases of goods accounted for $4,259 billion, or 28 percent. Of the goods, about half were durable ($2,186 billion) and half nondurable ($2,073 billion). Consumption of services accounted for $9,812 billion of G.D.P. or almost two-thirds. Production of structures added $1,022 billion or 7 percent.”