2002

7.6

1984

6.8

1985

7.0

2008

6.0

1999

6.9

1981

7.9

1984

7.3

2016

0.0

2003

5.7

2004

6.6

1977

5.2

1996

6.7

1991

7.3

2008

6.3

2019

5.9

1986

5.3

1985

5.4

1957

6.2

2004

6.3

2008

3.4