1989

6.0

1975

6.4

1958

8.2

2012

7.0

2021

7.2

2015

7.6

2014

5.4

1960

7.2

2013

5.8

2023

7.6

2016

7.0

1996

5.8

2005

6.6

2019

8.1

2015

6.3

2013

6.5

1972

8.7

1994

8.3

2020

7.2

2016

6.7