1989

6.6

2008

5.4

0.0

2020

2.0

1963

5.9

2009

6.9

2018

7.3

2017

7.7

2024

7.3

2005

7.5

2020

7.5

1932

6.0

2014

7.0

2015

5.4

1992

6.8

2001

5.2

2013

0.0

2018

7.0

2012

9.0

1938

4.0