2020

6.3

2019

7.7

2001

8.9

1979

7.6

2018

7.4

1987

6.9

1990

6.4

1947

7.3

2019

7.4

1995

5.9

2011

9.5

1953

7.4

2005

5.8

1993

6.9

2019

5.9

1984

9.2

2007

7.5

2000

7.9

1991

5.2

1957

6.2