2018

5.0

2011

5.8

2008

7.5

2010

7.2

1989

6.5

2022

8.5

2023

7.2

2001

6.8

2024

7.1

2015

9.1

1972

7.4

2023

10.0

2002

7.5

1992

6.9

1984

7.0

1987

8.4

2005

8.0

2016

5.9

2020

8.2