1987

6.8

1954

6.1

2007

4.5

2000

5.8

2017

4.7

1939

7.1

2002

5.9

1987

6.9

1997

6.1

2007

6.1

2006

6.3

2003

5.3

2021

5.7

2004

5.8

1986

7.5

1970

4.1

2003

4.0

2007

6.1

1990

6.4

1930

4.9