2019

6.9

2013

7.6

2018

7.0

1931

5.8

2016

7.3

6.3

2015

7.5

1991

5.1

2005

9.9

1972

10.0

2022

8.8

2006

5.0

2014

5.4

2013

7.0

2009

8.5

2002

6.7

2016

6.2

2015

5.4

1949

6.2