2005

6.4

2001

7.3

2020

6.5

1964

7.1

2016

7.2

1970

7.1

1996

6.5

1999

3.5

2003

5.9

2007

10.0

2007

10.0

2005

5.3

2010

3.9

2002

6.8

1998

0.0

2017

6.3

2009

6.6

1986

6.1

2000

0.0

1994

7.5