N

Number of Vehicles

Number of Casualties

Variables

Mean

SD

Mean

SD

Sex of Driver

Male

9948

1.83

0.78

1.37

0.98

Female

4057

1.85

0.66

1.38

0.76

Accident Severity

Fatal

173

1.94

2.63

2.15

4.01

Serious

1913

1.70

0.74

1.45

0.92

Slight

11919

1.85

0.68

1.35

0.79

Area

Urban

5213

1.85

0.90

1.49

1.17

Rural

8792

1.82

0.64

1.30

0.72

Light Condition

Daylight

10347

1.87

0.75

1.35

0.90

Others

3658

1.73

0.73

1.42

0.96

Years

2005

1855

1.86

0.73

1.39

0.79

2006

1768

1.86

0.72

1.37

0.81

2007

1727

1.84

0.70

1.38

0.99

2008

1608

1.80

0.73

1.37

0.83

2009

1567

1.83

0.71

1.39

0.82

2010

1489

1.81

0.63

1.38

0.78

2011

1368

1.86

1.10

1.40

1.57

2012

1357

1.82

0.68

1.32

0.73

2013

1266

1.83

0.67

1.31

0.75