2015

6.5

2009

8.5

2006

2.6

1997

6.4

1945

4.0

2023

5.6

1974

5.6

2000

5.5

1987

5.0

2014

9.7

1981

5.8

2002

8.0

2016

6.2

1965

6.0

2005

4.8

2013

3.5

1986

5.9

1988

4.0