2004

7.3

2021

7.4

2003

6.6

2003

5.9

1948

6.1

2014

9.1

2000

6.8

1989

7.2

2019

8.4

1977

6.9

1966

6.2

1997

6.5

1957

6.3

2017

7.5

2006

5.8

1998

7.4

2007

5.1

2009

5.4

2014

7.0

1980

7.2