年份

观测值

ARIMA拟合值

新陈代谢GM拟合值

2001

544.21

553.6353928

564.4606

2002

563.61

575.4855398

585.727

2003

592.23

595.2209157

607.7946

2020

1081.3

1150.171925

1139.7348

2021

1157.3

1120.712577

1182.675

2022

1214.4

1182.018373

1227.2329