Maddison Mint story Mint story Maddison Maddison Mint story Maddison 29 percent of world GDP Maddison Maddison Mint story Maddison Mint story China and India together contributed 50.5% of world GDP. already rich Mint story Maddison already rich Maddison Maddison Maddison already rich Mint story already rich Maddison already rich 29 percent of world GDP