1989

8.3

1955

7.5

1983

7.2

1979

7.0

1986

7.9

2015

7.1

2006

6.0

2004

6.3

2002

6.3

2001

6.8

2018

7.0

2002

8.4

2000

7.6

1998

8.3

1959

8.0

2023

6.4

2024

0.0

1995

7.0

1956

7.9

2022

7.0