2013

7.1

2006

5.4

2011

7.3

1987

7.8

2016

6.9

2024

8.0

1977

6.3

2014

6.8

1975

6.9

2019

7.1

2013

8.1

2016

6.8

1984

7.0

2004

8.1

2006

6.9

2006

6.3

2015

6.0

1965

7.9

2004

7.2

2002

7.2