2007

6.4

2004

7.4

1999

7.6

2005

6.7

1990

6.2

1987

6.4

1990

0.0

1998

7.2

2005

5.6

2016

5.0

2020

0.0

2016

5.8

1994

6.6

1991

6.7

1999

6.6

2004

7.4

2008

5.7

1985

6.5

1988

7.2

2024

7.6