2018

4.7

2024

6.5

1949

7.9

1999

7.2

2006

6.1

2007

6.5

1998

7.0

1997

6.9

2014

6.1

1962

7.5

1968

7.1

1971

7.4

2016

8.0

2020

1.0

1987

5.0

2021

9.0

2017

5.1

2023

0.0

1961

7.3

1990

8.5