1996

7.7

1984

8.4

2016

7.7

2003

7.4

2022

7.6

1979

7.4

2019

6.1

1993

8.3

2014

8.0

1986

6.6

2015

10.0

2020

7.3

1960

7.4

2011

7.0

1977

8.1

2013

6.5

2019

7.1

2021

7.0

2018

8.6