1987

5.5

2019

8.1

2017

7.2

2022

7.7

2019

7.0

2020

7.1

2009

7.6

1960

8.4

2016

8.5

2019

7.8

2010

8.2

2019

8.0

1991

8.3

1994

8.5

1979

8.1

2004

8.4

2020

8.1

2023

8.1

2018

6.8

1988

7.4