2014

7.6

2024

9.4

2010

7.0

2007

4.3

2013

7.7

1970

4.6

1989

6.1

1999

8.0

2023

6.2

1977

6.7

2004

6.0

2017

9.2

2022

7.2

2021

9.8

2004

10.0

2016

5.8

2012

6.3

1993

8.0

1982

2.7