2011

5.5

2020

7.3

2016

6.0

1991

6.4

1965

7.1

1996

8.0

2012

6.3

6.1

2025

5.9

2019

5.7

1984

7.2

2016

6.7

2006

5.7

2019

7.7

1977

5.4

1966

6.1

2013

7.6

2004

4.2