2006

7.4

2013

8.0

1978

7.1

1984

7.3

2021

6.2

2015

8.3

2023

0.0

2007

8.0

1989

6.1

2022

4.8

1973

8.0

1969

7.2

2007

5.0

2017

7.4

1977

7.3

2019

7.5

1983

5.8

1987

8.4

2006

7.6

2008

8.1