2011

9.5

1985

7.7

2008

6.7

2020

7.0

1999

6.9

1966

5.0

1996

5.5

1997

4.5

1960

0.0

1960

0.0

2005

7.5

1999

7.4

1999

6.9

2023

7.2

2009

0.0

1981

6.8

1993

10.0

1962

0.0

2002

6.1

2006

6.4