2007

7.2

1978

6.9

1997

6.5

2011

5.5

2007

7.4

2012

5.7

2006

10.0

1984

6.3

2015

7.8

1989

9.3

1993

6.5

1940

6.3

1949

6.7

1993

6.5

2014

9.7

2024

6.8

1980

5.9

2015

6.4

2022

6.1

2006

6.7