2011

8.0

1996

7.8

1999

6.8

2005

4.8

1965

7.8

2006

6.7

2009

9.0

2015

7.9

2020

7.3

2016

7.6

1985

7.4

2020

8.1

2024

4.0

2001

5.6

2021

7.1

2015

8.4

2006

8.3

1982

8.1

2016

7.1

2013

7.0