2004

7.8

1984

6.2

2013

6.1

2016

6.1

2019

6.7

1998

6.1

1985

4.3

1998

6.1

1989

4.8

2005

6.9

1960

7.2

2000

6.7

1988

6.1

1940

6.3

1995

7.8

1992

7.7

1996

6.5

2016

9.7

2013

6.2

2016

5.1