年份&函数

正态分布密度函数

伽玛分布密度函数

Logistic分布密度函数

2011

u = 112 , σ = 57.3

α = 3.81 , β = 29.369

u = 90 , σ = 0.034

2012

u = 128 , σ = 62

α = 4.23 , β = 30.115

u = 108 , σ = 0.029

2013

u = 109 , σ = 61

α = 3.24 , β = 33.762

u = 88 , σ = 0.031

2014

u = 120 , σ = 61.3

α = 3.83 , β = 31.336

u = 100 , σ = 0.028