2007

6.7

2022

5.5

2001

4.9

1990

6.1

1952

6.7

2004

6.8

2012

5.4

2008

6.1

1939

7.1

1999

6.2

1974

6.4

1966

7.2

2014

6.2

1986

6.3

1989

7.3

1969

7.1

1965

6.8

1989

7.8

1998

6.0

1991

4.7