1931

5.8

1986

6.4

2006

7.0

2009

7.6

6.3

1932

9.9

1999

6.1

2020

10.0

2003

6.6

2024

7.0

2014

6.0

2015

7.1

2022

10.0

1993

6.2

1939

6.0

1995

5.0

2023

7.2

2007

4.8

1924

6.4

1990

8.3