2014

7.3

2010

6.3

1960

7.6

2011

7.0

1977

7.4

2014

8.2

2020

7.8

2006

8.1

2003

7.9

2014

7.9

2012

7.7

2011

7.1

1982

7.1

2000

7.1

1975

7.1

2009

7.5

1980

7.2

1977

6.3

2021

8.7

1999

7.6