1963

7.3

2019

7.4

1990

8.5

2019

8.5

1991

8.3

2023

8.1

1980

8.2

1988

7.8

2021

8.1

2008

7.0

2019

7.8

2014

8.4

2001

7.8

2014

7.9

2017

7.5

2010

7.0

2017

7.6

2018

7.4

2009

7.6

2024

8.2