一 般 (Ⅰ 级) 0.85 1 2 500 16.5 3.30% 73.3329 2.42 2.057 3 1000 30.1 2.72% 2.90 2.47 4 3000 78.1 2.40% 2686.0429 70.57 59.98 5 5000 120.8 2.14% 14.05 11.94 6 8000 181 2.01% 6580 152.51 129.63 7 10000 218.6 1.88% 30.60 26.01 8 20000 393.4 1.75% 43.80 37.23 9 40000 708.2 1.57% 20811.0336 406.17 345.2408 10 60000 991.4 1.42% 141.80 120.53 11 80000 1255.8 1.32% 198.20 168.47 12 100000 1507 1.26% 251.00 21