18 1 / 4 2,252 1,838 1,300 5 / 16 3,464 2,828 2,000 3 / 8 4,850 3,960 2,800 7 / 16 6,582 5,374 3,800 1 / 2 8,660 7,071 5,000 9 / 16 11,085 9,051 6,400 5 / 8 13,510 11,031 7,800 3 / 4 19,399 15,839 11,200 7 / 8 26,327 21,496 15,200 1 3 3 , 9 48 27,719 19,600 1 1 /8 41,569 33,941 24,000 1 1 /4 51,962 42,426 30,000 1 3 /8 62,354 50,912 36,000 1 1 /2 72,746 59,397 42,000 1 3 /4 96,995 79,196 56,000 2 128,172 104,652 74,000 1 / 4 3,400 2,800 1,940 5 / 16 5,200 4,200 3,000 3 / 8 7,400 6,000 4,400 7 / 16 10,000 8,200 5,800 1 / 2 13,200 10,800 7,600 9 / 16 16,600 13,600 9,600 5 / 8 20,000 16,600 11,800 3 / 4 30,000 24,000 16,800 7 / 8 40,000 32,000 22,000 1 5 2 , 000 42,000 30,000 1 1 /8 62,000 52,000 36,000 1 1 /4 76,000 62,000 44,000 1 3 /8 92,000 76,000 54,000 1 1 /2 110,000 90,000 64,000