1983

7.2

1998

7.5

2024

5.4

2019

8.1

2023

8.1

1994

8.7

2012

7.8

1994

8.5

2018

8.0

2021

7.8

1985

8.3

2018

6.9

2016

7.6

1980

8.2

1999

8.4

2010

7.7

2024

7.2

1972

8.7

2016

8.5

2015

7.4