2003

10.0

1976

4.8

1990

4.4

2013

6.1

2017

7.9

1948

7.1

1990

6.3

2003

8.7

2020

7.0

2000

7.2

1982

5.4

1988

5.8

1961

6.9

1956

7.3

1989

6.1

1954

6.1

2004

4.8

2007

6.6

1985

6.1

1988

6.6