2020

6.5

2007

6.5

2008

8.5

1999

3.5

2001

7.3

2016

7.2

1982

5.7

1996

6.5

2005

6.4

1964

7.1

1970

7.1

2005

5.3

2017

6.3

2007

4.8

1980

6.6

2002

6.8

1997

6.1

2003

5.9

2000

0.0

2003

5.4