1976

7.2

1991

7.3

2009

5.4

1996

6.4

2016

8.5

2019

6.7

1985

6.5

1998

6.2

2003

0.0

2004

5.3

2024

0.0

1992

4.0

2008

6.0

2019

0.0

2022

5.0

2014

5.8

1998

2.8

1988

6.0

2014

7.0

1998

4.2