2004

6.4

1991

5.8

1994

7.1

1972

8.7

1994

8.7

2019

8.1

2019

8.5

2024

8.1

2023

7.0

2023

8.1

2019

7.4

2018

7.5

1980

8.2

2017

7.6

2020

7.7

2014

8.5

1985

8.3

1989

7.2

2024

6.7

2013

7.9