1987

7.1

1968

7.0

2003

5.4

1995

5.2

2010

0.0

2022

6.2

2023

6.8

2002

7.2

2020

0.0

2013

5.5

2013

4.4

2022

4.7

2017

0.0

2018

4.2

2015

5.0

2005

5.5

2001

6.2

1963

7.6

2003

5.3

1983

6.7