1987

6.8

2003

6.2

2008

5.8

1929

6.0

2004

5.6

1934

7.0

1942

7.0

1935

7.2

2003

4.5

2022

5.0

2020

7.0

2011

5.1

1990

1.0

1937

5.3

1934

6.9

1977

4.1

1939

6.1

1931

6.4

1931

3.8

1991

6.4