2003

5.4

1975

6.4

2018

6.0

1990

5.7

1984

7.2

1967

6.1

1993

6.5

2013

7.6

2020

5.6

2018

6.0

2023

7.8

2012

6.6

2017

6.9

1976

6.0

1976

6.2