Air transportation

2002

2008

2011

GDP (millions of dollars)

966

1240

1449

CO (tons)

10,866

8500

8626

PM (tons)

521

193

174

Number of establishments (ones)

80

116

106

Number of workers (ones)

2214

10,152

9498

Aviation gasoline used (thousands)

131

112

111

Truck transportation

2002

2008

2011

GDP (millions of dollars)

1945

2449

2525

CO (tons)

73,285

70,041

55,160

PM (tons)

2324

3703

3092

Number of establishments (ones)

2231

2287

2191

Number of workers (ones)

28,660

28,389

26,512

Motor gasoline used (thousands)

64,102

65,648

63,601