2013

6.1

2023

6.3

1976

5.0

2019

5.3

2008

5.7

1968

6.9

1971

5.6

2020

6.7

2003

6.2

2019

6.6

7.3

1983

6.3

2018

6.0

1973

7.5

1965

7.5

1950

6.7

2015

5.4

2017

6.2

1986

7.7