2017

10.0

2010

6.6

7.8

1959

8.2

2011

7.1

2023

8.5

2020

7.4

2021

7.7

2008

6.1

2014

7.6

2015

5.5

2016

6.6

1955

7.2

1968

6.9

2009

5.7

1895

5.6

1972

7.3

2002

9.5

1994

6.9

2007

7.6