!!!Did you know this about South Korea? Did you know that South Korea is among the top 10 of the 193 UN countries in the following 18 respects. #Heliports: 466.0 (Rank 2). #Telephones - main lines in use per capita: 0.61 (Rank 3). #Mothers mean age at first birth - years: 30.3 (Rank 4). #Hospital bed density - beds/1,000 population: 10.3 (Rank 5). #Crude oil - imports - bbl/day: 2,590,000 (Rank 5). #Refined petroleum products - production - bbl/day: 2,830,000 (Rank 6). #Crude oil - imports per capita - bbl/day: 0.05 (Rank 6). #Refined petroleum products - exports - bbl/day: 944,700 (Rank 7). #Refined petroleum products - imports - bbl/day: 794,000 (Rank 7). #Imports - $: 516,600,000,000 (Rank 7). #Age Structure: 25-54 years - %: 47.3 (Rank 8). #Carbon dioxide emissions from consumption of energy - MT: 611,000,000 (Rank 8). #Exports - $: 557,300,000,000 (Rank 8). #Refined petroleum products - consumption - bbl/day: 2,301,000 (Rank 9). #Natural gas - imports - cu m: 47,340,000,000 (Rank 9). #Population density: 491.78 (Rank 9). #Electricity - production - KWh: 485,100,000,000 (Rank 10). #Electricity - consumption - KWh: 449,500,000,000 (Rank 10).