WORLD GDP (step nine)
More build-up of cement. The block on the left is 5" square with a height of 3.75 inches. A GDP per capita range of $28,000 to $30,000 of two countries, Puerto Rico and Spain, about 50,000,000 population.
The taller one (12.75 inches) just on its right is Norway, $100,000 with 5,000,000 people. Ready to move?