2006

9.3

1987

7.6

1974

7.7

1996

7.5

2009

7.7

2019

8.0

2004

7.8

1972

7.7

1960

7.1

1999

7.4

2016

7.3

2023

5.2

2019

7.3

2005

8.1

2007

7.5

1974

7.0

2001

7.8

1991

7.9

2010

8.2

2011

6.8