1974

7.0

2019

7.7

2014

6.0

1975

4.5

2003

7.1

1965

6.8

2007

5.4

2012

7.2

2022

7.4

1962

6.9

1971

6.8

1985

6.8

1994

6.8

2010

6.3

2013

6.7

2021

6.2

2008

5.1

2015

6.4

2000

7.2

2014

6.5