2016

2.0

1968

6.9

1965

6.7

1965

4.7

2004

7.6

1951

7.5

1954

7.6

1984

6.2

1998

5.6

2002

6.7

1945

3.8

1996

6.9

1971

6.4

2005

6.5

1996

6.4

1987

7.5

1988

7.9

1990

6.3

2001

6.1

1993

7.3