2005

5.7

2023

6.8

2024

6.0

2023

6.3

1939

7.1

1990

6.9

1970

7.7

1971

5.9

2002

9.1

2015

4.8

2020

5.5

2009

6.2

2016

6.7

2020

7.4

2024

6.8

1903

6.0

1958

6.6

1987

5.2

2023

6.3