1987

5.7

2014

8.4

2018

7.4

1972

8.7

2022

7.7

2021

7.8

2023

7.0

1997

7.9

2019

8.5

1994

8.7

2008

8.1

1985

8.3

2021

7.5

2017

7.6

2019

8.2

2013

8.0

1978

7.6

2013

8.1

2019

7.2

2007

6.9