年份

预测产量/万吨

标准差

95%置信区间

2020

45.7828

2.3406

(41.1953,50.3702)

2021

47.8133

2.9103

(42.1092,53.5174)

2022

49.8439

3.5185

(42.9477,56.7400)

2023

51.8744

4.1631

(43.7150,60.0339)

2024

53.9050

4.8421

(44.4146,63.3953)

2025

53.9355

5.5541

(45.0497,66.8213)