2004

5.8

1984

7.0

2020

5.2

2004

6.7

1961

6.8

2013

6.2

2019

6.4

2000

6.2

2019

7.0

1985

6.7

1999

6.4

1988

7.1

1968

6.5

1962

5.0

1961

5.4

2007

6.5

1931

7.1

1973

6.8

1966

6.2

2007

5.6