2015

8.0

7.8

1961

8.4

1980

8.3

1972

7.4

2024

7.1

2014

5.6

2023

6.0

2001

6.9

2023

6.3

2005

6.9

1993

6.1

2022

9.9

2014

6.8

2020

5.4

2017

6.8

2005

8.3

2010

6.9

2011

7.6

2016

6.2