1970

7.1

2003

5.9

2007

10.0

2007

10.0

2005

5.3

1986

6.1

2001

7.3

2016

7.2

1964

7.1

2007

6.5

2008

8.5

1996

6.5

1999

3.5

2020

6.5

1988

6.3

1982

5.7

2016

3.3

1998

0.0

1980

6.6

2007

4.8