1984

8.5

1995

7.2

2019

8.0

1962

7.3

2015

8.1

2014

7.8

1998

7.5

1999

6.9

1960

7.1

1980

6.5

1975

8.0

1960

7.4

2005

6.4

2000

6.2

2016

7.8

2002

7.9

1972

7.7

2024

8.2

1992

8.2

2016

8.4