2023

6.1

2019

6.3

6.4

2017

7.2

1999

6.5

2008

5.6

2003

6.2

1973

6.5

2024

7.2

2015

8.1

2011

5.2

1995

6.8

2013

6.1

1980

8.2

1984

8.4

1994

6.8

2013

7.5

2014

5.3

1970

7.5

2022

6.1