1958

213

21

10.1

1959

478

27

17.7

1960

626

27

23.2

1961

793

30

26.4

1962

761

28

27.2

1963

692

19

36.4

1964

572

23

24.9

1965

410

27

15.2

1966

636

32

19.9

1967

808

32

25.3

1968

1,101

37

29.8

1969

807

24

33.6

1970

908

27

33.6

1971

733

27

27.1

1972

886

30

29.5

1973

1,220

37

33.0

1974

986

26

37.9

1975

1,476

36

41.0

1976

2,629

63

41.7

1977

1,622

43

37.7

1978

2,151

65

33.1

1979

2,356

61

38.6

1980

3,116

63

49.5

1981

2,768

66

41.9

1982

2,248

64

35.1

1983

2,622

48

54.6

1984

3,686

61

60.4

1985

3,473

61

56.9

1986

3,274

52

63.0

1987

1,800

37

48.6

1988

1,947

41

47.5

1989

2,756

51

54.0

1990

1,504

82

18.3

1991

2,005

136

14.7

1992

2,483

151

16.4

1993

2,709

139

19.5

1994

4,741

240

19.8

1995

3,788

126

30.1

1996

2,662

142

18.7

1997

2,551

162

15.7

1998

2,819

141

20.0

1999

2,639

113

23.4

2000

2,299

93

24.7

2001

1,757

66

26.6

2002

1,522

115

13.2

2003

1,294

113

11.5

2004

680

41

16.6

2005(Jan.~Aug.)

1,483

93

15.9

2006(May~Dec.)

999

99

10.1

2007

1,075

142

7.6