年份

X₁

X₂

X₃

X₄

X₅

X₆

X₇

2010

0.6690

0.4862

0.7926

0.5560

0.4773

0.5174

0.5243

2011

0.6203

0.4802

0.7136

0.5457

0.4851

0.4946

0.5163

2012

0.6106

0.5113

0.6919

0.5637

0.5079

0.5149

0.5337

2013

0.6104

0.5367

0.6837

0.5829

0.5378

0.5362

0.5533

2014

0.6417

0.5984

0.7191

0.6323

0.5986

0.5957

0.6076

2015

0.7750

0.7728

0.8478

0.7918

0.7377

0.7607

0.7657

2016

0.8944

0.9765

0.9069

0.9568

0.9237

0.9640

0.9463

2017

0.6923

0.6006

0.8128

0.6400

0.6115

0.6140

0.6245

2018

0.5621

0.4715

0.7227

0.5133

0.4739

0.4783

0.4903

2019

0.4982

0.4031

0.6167

0.4478

0.3979

0.4080

0.4191

2020

0.4541

0.3619

0.4783

0.4257

0.3428

0.3698

0.3861

关联度

0.6389

0.5636

0.7260

0.6051

0.5540

0.5685

0.5788

排序

2

6

1

3

7

5

4