1988

7.8

2019

7.4

1987

7.3

2010

8.4

2019

8.1

1984

7.5

2024

7.5

2018

8.2

1983

7.9

2021

8.0

2005

6.7

1973

7.7

1990

8.5

2007

6.9

2008

8.5

1972

8.7

2020

8.1

2024

7.1

2020

7.2

2013

8.0