1949

7.9

2007

6.2

1985

6.0

1949

6.2

2005

6.3

2003

6.9

2003

8.1

2019

8.0

1961

7.0

1950

7.1

2017

7.4

1984

4.3

1954

3.0

2009

5.4

1946

5.1

1975

8.0

1981

6.0

1991

7.3

1958

7.4

2019

6.2