2004

7.1

1989

7.9

2017

6.8

2006

6.4

2017

6.0

2001

5.2

1943

6.4

2006

5.8

2008

6.8

1941

7.0

2016

6.7

2007

6.8

2006

5.6

1990

7.4

2019

8.4

1997

6.3

2001

6.9

1993

6.1

1998

6.1

2018

5.9