7.8

1985

6.5

2015

5.1

2002

6.9

1990

5.8

2013

6.9

2024

6.0

1931

5.8

2024

6.8

2008

8.7

2013

7.0

2021

9.8

2020

7.3

2019

3.6

2023

10.0

1996

6.5

1967

6.6

1995

6.1

2009

7.0

0.0