2012

7.1

2016

6.7

1955

7.4

1996

5.8

2020

6.3

2008

5.4

2011

6.4

2015

6.6

2020

6.4

2015

6.4

1985

6.1

2008

6.7

1985

6.8

2020

6.4

1972

6.3

2018

6.5

2015

6.6

2023

6.5