2011

7.2

2009

6.6

1969

8.3

2010

7.8

2017

8.5

2017

5.9

2019

7.5

1996

9.5

2016

7.5

1957

6.9

2022

8.7

2023

6.0

1987

7.0

1998

6.0

1979

4.7

2012

5.7