2008

8.7

2017

6.4

2017

9.5

2019

7.7

2007

5.4

2019

6.2

2015

5.1

2010

7.2

1989

5.8

2011

7.2

1988

5.8

2021

10.0

1966

6.5

1932

6.6

0.0

1974

7.0

2023

9.4

2024

6.8

2017

6.4