年份

预测值(万)

95%置信区间

2018

4828.7

(4811.447, 4845.958)

2019

4857.38

(4826.277, 4888.49)

2020

4886.06

(4840.07, 4932.055)

2021

4914.74

(4852.573, 4976.91)

2022

4943.42

(4863.782, 5023.059)