1972

6.4

1999

7.4

2004

7.2

1988

7.2

1968

7.6

1995

7.0

1996

6.5

1991

7.3

2024

9.0

2016

6.2

2022

5.3

2003

6.2

1998

7.3

1984

6.3

2022

6.0

1966

7.1

1997

6.8

2020

0.0

1971

6.2

1993

7.4