2018

7.5

1997

6.0

2009

6.1

2004

9.9

2010

5.6

1944

6.9

2006

7.1

2007

4.9

5.0

1996

5.3

2004

7.1

2001

6.2

1990

6.1

1957

6.2

2015

7.0

2013

5.2

1994

6.8

1977

7.1

2018

7.9

1986

5.8