1952

17251

5558

3396

8297

32.22

19.69

48.09

1953

22955

7909

4452

10594

34.46

19.39

46.15

1954

25204

7064

6030

12110

28.03

23.92

48.05

1955

29981

8720

6966

14295

29.09

23.23

47.68

1956

34410

9446

8401

16563

27.45

24.41

48.14

1957

40173

10977

10147

19049

27.32

25.26

47.42

1958

44966

12035

11163

21768

26.76

24.83

48.41

1959

51833

13657

14045

24131

26.35

27.10

46.55

1960

62507

17838

16796

27873

28.54

26.87

44.59

1961

70043

19225

18616

32202

27.45

26.57

45.97

1962

77159

19269

21772

36118

24.97

28.22

46.81

1963

87252

20286

26128

40838

23.25

29.95

46.80

1964

101966

24989

30968

46009

24.51

30.37

45.12

1965

112627

24611

34025

51991

23.63

30.21

46.16

1966

126022

28379

38494

59149

22.52

30.55

46.93

1967

145817

30057

48053

67707

20.61

32.96

46.43

1968

169904

32308

58524

79072

19.02

34.44

46.54

1969

196845

31276

72565

93004

15.89

36.86

47.25

1970

226805

35076

83530

108199

15.47

36.83

47.40

1971

263676

34455

102680

126541

13.07

38.94

47.99

1972

316172

38619

131670

145883

12.21

41.64

46.15

1973

410405

49678

179893

180834

12.11

43.83

44.06

1974

549577

68279

223609

257689

12.42

40.69

46.89

1975

589651

74875

235419

279357

12.70

39.92

47.38

1976

707710

80504

305443

321763

11.37

43.17

45.46

1977

828995

87875

364393

376727

10.60

43.96

45.44

1978

991602

93033

448007

450562

9.38

45.18

45.44

1979

1195838

102248

542210

551380

8.55

45.34

46.11

1980

1491059

114556

682114

694389

7.68

45.75

46.57

1981

1773931

129496

806657

837778

7.30

45.47

47.23

1982

1899971

147041

842505

910425

7.74

44.34

47.92

1983

2100005

153331

944178

1002496

7.30

44.96

47.74

1984

2343078

148414

1081510

1113154

6.33

46.16

47.51

1985

2473786

143083

1144712

1185991

5.78

46.28

47.94

1986

2855180

158326

1345071

1351783

5.55

47.11

47.34

1987

3237051

171728

1510912

1554411

5.30

46.68

48.02

1988

3523193

177416

1579639

1766138

5.04

44.83

50.13

1989

3938826

192872

1666633

2079321

4.90

42.30

52.80

1990

4307043

180110

1775583

2351350

4.18

41.22

54.60

1991

4810705

182356

1975634

2652715

3.79

41.07

55.14

1992

5338952

191974

2139747

3007231

3.60

40.08

56.32

1993

5918376

215333

2328822

3374221

3.64

39.35

57.01

1994

6463600

227172

2437727

3798701

3.51

37.71

58.78

1995

7017933

244265

2552997

4220671

3.48

36.37

60.15

1996

7678126

245184

2742061

4690881

3.19

35.72

61.09

1997

8328780

212100

2941615

5175065

2.55

35.31

62.14

1998

8938967

220605

3090002

5628360

2.47

34.45

62.97

1999

9289929

237531

3082452

5969946

2.56

33.19

64.25

2000

9663388

201810

3128699

6332879

2.09

32.38

65.53

2001

9506624

185182

2955721

6365721

1.95

31.09

66.96