1977

140

74

214

4,332

3,110

7,442

1978

140

81

221

4,056

3,665

7,721

1979

137

71

208

3,922

3,707

7,629

1980

178

79

257

7,073

4,186

11,259

1981

164

71

235

6,720

4,231

10,951

1982

153

 71

224

7,240

4,068

11,308

1983

145

59

204

7,689

2,646

10,335

1984

106

77

183

4,342

5,264

9,606

1985

89

82

171

3,525

6,043

9,568

1986

96

72

168

3,766

5,617

9,383

1987

98

79

177

4,193

6,204

10,397

1988

87

90

177

3,422

6,917

10,339

1989

89

69

158

3,632

5,335

8,967

1990

93

75

168

3,134

5,490

8,624

1991

79

74

153

3,006

5,580

8,586

1992

81

75

156

2,936

5,650

8,586

1993

71

63

134

2,609

4,957

7,566

1994

66

63

129

2,478

4,842

7,320

1995

70

58

128

2,474

4,316

6,790

1996

70

59

129

2,520

4,478

6,998

1997

53

60

113

2,058

4,405

6,463

1998

64

60

124

2,585

4,241

6,826