1981

5.1

1992

6.3

2020

7.4

2014

5.2

1987

6.7

2014

5.8

2024

4.3

2021

7.4

2023

7.0

1938

5.7

2006

10.0

1975

4.9

2010

6.6

1987

7.1

2014

3.2

2016

6.9

1970

3.3

2018

7.2

2018

7.5

2011

6.2