1982

5.5

2012

6.0

1951

6.1

2007

7.3

2001

7.8

2004

7.3

1992

7.7

2019

6.7

2016

6.5

2017

6.8

2005

5.6

2021

6.2

2007

6.8

1999

4.1

2007

5.0

2016

6.4

1991

7.7

2023

7.1

2001

7.0

2024

10.0