1998

6.6

1985

7.2

1997

8.4

1962

7.9

1977

7.7

1939

7.9

1931

7.1

2013

7.3

2018

5.0

2015

5.4

2023

6.2

2016

5.7

2023

5.7

2022

7.1

2020

5.1

1967

6.5

2024

7.8

2008

6.4

1995

6.3

1943

6.9