1987

6.6

2017

6.7

2024

10.0

1997

8.3

2016

5.4

2022

6.7

0.0

2022

0.0

2004

4.4

2005

7.0

2008

7.0

1985

7.2

2007

2.8

1937

4.0

1974

7.5

2012

5.0

2013

6.5

1994

6.8

2009

7.2

2013

5.9