2004

7.9

1977

7.1

1979

6.9

1979

7.4

1987

7.6

2001

7.4

1998

8.2

1989

7.2

1972

8.7

2024

6.8

1991

7.5

1994

8.7

1975

8.0

2006

7.5

2016

4.3

2001

7.5

1996

6.1

1983

7.3

1975

6.1

1991

6.4