2009

7.4

1978

7.5

2001

8.1

2004

8.0

1990

7.9

2013

8.6

1991

7.7

2019

7.6

2009

7.8

2024

6.0

2004

7.2

1938

4.5

2016

8.5

1986

8.4

1994

8.0

2006

7.5

2007

6.7

2013

6.9

1971

7.9

2017

7.1