2017

7.7

1924

7.1

2014

4.6

1982

5.4

1996

5.8

1955

6.2

2024

6.5

2015

8.1

2012

9.7

1968

6.9

2024

7.2

2023

6.0

2017

6.4

2011

6.1

2018

5.9

1996

5.9

2007

7.0

2016

7.9

2006

7.3

2015

5.6