1967

7.0

2016

7.2

2004

5.6

2004

8.1

2005

7.2

2005

7.5

1987

7.3

2007

5.9

2002

6.5

2005

6.6

2002

6.2

1988

5.4

2015

6.0

2005

5.5

1941

7.1

1995

5.7

1986

6.7

2008

5.5

2017

6.4

2024

0.0