2019

8.5

1987

7.5

2016

6.7

1989

5.1

2022

5.9

2013

6.1

2008

5.7

2007

6.5

2020

6.7

2011

5.2

1969

5.9

2019

6.4

1997

6.1

2001

7.5

1958

7.2

1955

7.2

2000

7.2

2009

5.6

1939

7.6