2006

6.4

2016

3.5

2019

5.3

2006

5.9

2008

7.8

1991

5.8

1995

7.6

1960

7.4

2004

6.2

1970

7.6

1997

6.5

1989

3.1

1984

6.3

1971

6.7

1993

6.2

1999

7.5

1993

0.0

2013

4.3

1968

4.7

1971

5.2