2019

5.7

2010

6.6

1957

8.1

2016

6.8

2017

6.2

2008

7.7

1986

6.9

1968

6.0

1951

7.5

2020

6.2

1988

5.5

1985

7.8

1970

7.1

1998

7.4

1984

6.9

1986

5.6

1971

7.7

1992

6.9

2012

9.3