Name one pattern you observe in this map.

GDP Density GDP per square kilometer $ 0 - 499 $ 500 - 1,099 $ 1,100 - 2,999 L $ 3,000 - 8,099 $ 8,100 - 21,199 $ 22,000 - 59,999 $ 60,000 - 162,999 $ 163,000 - 441,999 $ 442,000 - 546,000,000 IIII| No Data