2021

6.7

2007

6.4

1995

5.7

1997

5.6

2018

6.0

1956

6.9

1941

7.2

1984

5.5

2004

6.2

1991

6.4

2017

5.6

2011

5.1

2015

5.3

1998

6.0

1975

6.7

2011

4.9

2022

6.5

2019

7.1

1994

6.6

1996

5.7