年份

旅游总收入y (亿元)

x₁市生产总值 (亿元)

x₂国内游客数量(万)

x₃社会消费品零售总额(亿元)

x₄全国人均可支配收入(元)

x₅举办会展数

x₆市绿地面积 (公顷)

x₇济南市CPI

2005

−1.13837

−1.38639

−1.28936

−1.27928

−1.35487

−1.66259

−1.22509

−1.01488

2006

−1.07359

−1.2472

−1.18815

−1.18328

−1.24775

−1.69473

−0.895

−1.14842

2007

−0.98962

−1.08067

−1.07671

−1.0636

−1.07579

−0.89129

−0.72899

0.85464

2008

−0.90218

−0.87179

−0.9541

−0.87832

−0.90155

−0.56991

−0.70215

2.05647

2009

−0.78009

−0.72115

−0.74769

−0.68749

−0.7721

−0.56991

−0.55236

−1.54903

2010

−0.62734

−0.46883

−0.53358

−0.60888

−0.57628

−0.34495

−0.40085

−0.3472

2011

−0.4434

−0.24534

−0.291

−0.39145

−0.31853

−0.21639

−0.3383

1.85616

2012

−0.2328

−0.06204

−0.03163

−0.1719

−0.06991

0.23353

−0.25323

−0.14689

2013

−0.05392

0.12628

0.14982

0.0548

0.15865

0.26567

−0.14306

0.12018

2014

0.28997

0.37002

0.33186

0.29627

0.3942

0.42636

−0.03938

−0.28043

2015

0.5219

0.5187

0.53101

0.62205

0.62251

0.55491

0.0511

−0.48073

2016

0.79381

0.7153

0.73722

0.88104

0.85792

0.55491

0.52447

0.05341

2017

1.1241

1.01563

0.9997

1.15962

1.13116

0.61919

0.68789

−0.41396

2018

1.54743

1.31089

1.28395

1.34841

1.41721

1.55118

1.23399

−0.01335

2019

1.9641

2.02661

2.07866

1.90199

1.73512

1.74401

2.78096

0.45403