1989

5.1

1993

5.5

2018

6.0

1989

7.1

1958

7.3

1992

6.7

2014

6.5

2012

9.8

2007

10.0

2017

6.1

2022

7.6

2019

5.8

1993

6.1

1939

7.9

2020

6.3

2005

4.7

2007

8.6

2020

7.0

2023

6.4

1923

6.7