1961

7.5

2024

9.0

1990

7.8

1991

7.4

2005

7.6

2005

7.7

1994

8.4

2004

8.2

1992

8.5

1969

6.7

2011

7.3

1996

8.0

1998

7.0

1991

7.6

1995

7.2

1995

7.0

1985

8.5

1988

7.3

1983

7.8

2020

7.6