1987

7.8

2011

7.0

1979

6.8

2004

7.3

2002

7.5

1973

8.1

1951

8.0

1983

8.0

1989

7.7

2009

8.3

1995

6.5

2017

7.2

2001

8.3

2000

8.0

2016

8.6

1980

8.6

2024

7.8

1977

7.4

2022

8.1

2007

7.6