1980

6.3

2015

7.4

7.8

2024

7.3

2021

7.5

1996

7.8

1896

5.2

2008

5.7

2010

7.1

2013

6.1

1945

6.2

1978

6.9

2023

6.5

2015

7.0

2011

6.6

2023

6.8

2008

4.6

1999

4.8

2019

6.5

2015

6.4