1937

7.2

1920

7.9

2001

5.8

2002

6.3

2019

5.9

1964

7.2

1940

7.4

2008

7.5

1994

6.9

2001

7.0

1997

4.5

2007

5.7

1987

7.9

2004

7.1

2019

8.2

2011

6.4

1998

6.4

1990

6.1

2019

5.8

1962

6.4