1960

1963

1964

1965

1966

1967

9168

1969

1970

1971

1972

1973

1974

1975

1976

1977

1978

1979

1980

1981

1982

1983

1984

1985

1986

1987

3180

1971

46,730

73,710

66,108

46,492

74,715

38,184

40,456

46,099

55,552

45,388

44,482

47,156

50.112

76,304

81,071

103,194

75,503

79,594

53,966

186,184

165,855

116,256

42,380

26,964

3180

5151

51,381

125,420

191,528

238,220

312,935

351,119

391,575

437,674

493,226

538,614

583,096

630,364

680,476

756,780

837,851

984,983

1,016,436

1,096,030

1,149,996

1,336,190

1,502,045

1,618,301

1,660,301

1,687,640