1972

6.6

1985

6.8

2020

6.4

2017

9.4

2024

6.0

1972

6.3

2010

7.0

2008

6.7

2024

7.2

1996

7.8

7.0

6.6

1985

6.1

1953

4.8

2018

6.3

2011

6.5

2015

6.3

2020

6.4

2021

6.6

1966

6.1