480 0.13 482 0.174 484 0.233 486 0.319 488 0.434 490 0.583 492 0.776 494 1.074 496 1.543 498 2.359 500 3.711 502 6.126 504 12.109 506 19.936 508 37.168 510 61.569 512 84.625 514 98.334 516 100 518 98.827 520 90.794 522 73.514 524 46.031 526 30.118 528 17.5 530 10.589 532 6.568 534 3.927 536 2.847 538 1.99 540 1.409 542 1.09 544 0.858 546 0.685 548 0.54 550 0.423 552 0.328 554 0.253 556 0.2 558 0.161 560 0.134