1990

6.1

1966

6.1

2014

7.7

2020

6.7

2005

6.5

2017

6.7

2015

5.1

1931

5.8

2001

4.3

2006

6.6

2023

7.9

2020

6.0

1994

6.0

2015

6.3

2003

6.6

2010

5.9

1996

6.6

1973

7.2

1949

6.2

2021

7.7