1990

6.6

2019

6.3

1931

5.8

1993

6.1

1923

8.5

2024

7.3

2023

7.4

1993

6.9

2004

9.5

2011

7.1

2013

8.1

1989

5.8

1985

6.4

2021

9.2

1970

7.6

2020

7.4

2023

6.1