2003

7.1

2003

6.7

1984

7.2

1990

6.2

2008

6.6

2009

2.2

1988

4.2

2007

6.1

2016

0.5

2016

7.6

1978

6.5

1964

0.0

1971

5.3

1998

6.5

2020

6.7

2006

6.9

1991

6.2

1990

6.7

1993

5.5

2013

6.0