2002

5.4

1996

6.6

1988

7.5

2022

6.8

2007

6.5

2023

6.6

1988

6.4

2017

4.5

2017

7.4

1969

7.8

2012

5.7

2005

5.5

2000

7.7

1960

8.1

2012

5.2

2007

6.9

2024

6.5

2016

8.2

2020

6.0

1994

6.3