4.2

2021

7.4

2020

7.0

2014

7.0

1941

7.3

2013

7.8

2010

7.1

5.0

1998

4.8

1998

7.5

1974

8.6

1989

6.2

2004

6.0

1980

7.2

1987

7.3

2009

6.2

2021

6.2

2014

6.1

2016

7.9

1958

7.3