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Year

VMT

VOC

NOx

1970

1,109,724,000,000

12,972,000

7,390,000

1971

1,178,811,000,000

12,241,538

7,641,260

1972

1,259,786,000,000

11,793,390

7,901,063

1973

1,313,110,000,000

11,361,647

8,169,699

1974

1,280,544,000,000

10,945,710

8,447,469

1975

1,327,664,000,000

10,545,000

8,645,000

1976

1,402,380,000,000

10,066,754

8,640,200

1977

1,467,027,000,000

9,783,046

8,635,400

1978

1,544,704,000,000

9,507,333

8,630,600

1979

1,529,133,000,000

9,239,391

8,625,800

1980

1,527,295,000,000

8,979,000

8,621,000

1981

1,555,308,000,000

9,059,811

8,514,600

1982

1,595,010,000,000

9,141,349

8,408,200

1983

1,652,788,000,000

9,223,621

8,301,800

1984

1,720,269,000,000

9,306,634

8,195,400

1985

1,774,826,000,000

9,376,000

8,089,000

1986

1,834,872,000,000

8,874,000

7,987,250

1987

1,921,204,000,000

8,477,000

7,885,500

1988

2,025,962,000,000

8,290,000

7,783,750

1989

2,096,487,000,000

7,192,000

7,682,000

1990

2,144,362,000,000

6,854,000

7,210,000

1991

2,172,050,000,000

6,499,000

7,557,000

1992

2,247,151,000,000

6,072,000

7,759,000

1993

2,296,378,000,000

6,103,000

7,960,000

1994

2,357,588,000,000

6,401,000

8,176,000

1995

2,422,823,000,000

5,701,000

7,956,000

1996

2,481,730,000,000

4,900,000

8,793,000

1997

2,560,166,892,000

4,693,263

8,924,000

1998

2,615,466,496,867

4,486,867

8,816,000

1999

2,654,666,267,395

4,289,548

8,590,000

2000

2,694,309,371,948

4,100,907

8,258,100

2001

2,780,677,200,317

3,920,561

7,926,200

2002

2,864,620,300,293

3,748,146

7,594,300

2003

2,940,782,775,879

3,583,314

7,262,400

2004

3,010,156,921,387

3,425,730

6,930,500

2005

3,088,196,861,267

3,275,077

6,598,600

2006

3,161,858,743,579

3,131,048

6,266,700

2007

3,237,277,661,841

2,993,354

5,934,799

2008

3,314,495,526,132

2,878,568

5,633,789

2009

3,393,555,246,201

2,794,727

5,332,779

2010

3,474,500,755,310

2,713,327

5,031,769

2011

3,544,391,927,133

2,634,298

4,730,759

2012

3,615,688,991,842

2,557,571

4,429,749

2013

3,688,420,229,618

2,483,078

4,128,739

2014

3,762,614,489,506

2,410,756

3,827,729

2015

3,838,301,200,867

2,340,540

3,526,719

2016

3,909,945,855,939

2,272,369

3,225,709

2017

3,982,927,810,075

2,206,183

2,924,699

2018

4,057,272,024,924

2,141,925

2,623,689

2019

4,133,003,928,062

2,079,539

2,322,679

2020

4,210,149,421,692

2,018,970

2,021,664

2021

4,290,142,260,704

2,035,122

1,981,881

2022

4,371,654,963,657

2,051,403

1,942,098

2023

4,454,716,407,967

2,067,814

1,902,315

2024

4,539,356,019,718

2,084,356

1,862,532

2025

4,625,603,784,093

2,101,031

1,822,749

2026

4,713,490,255,991

2,117,840

1,782,966

2027

4,803,046,570,855

2,134,782

1,743,183

2028

4,894,304,455,701

2,151,861

1,703,400

2029

4,987,296,240,359

2,169,075

1,663,617

2030

5,082,054,868,926

2,181,482

1,623,827

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