2016

6.3

1985

5.5

2003

4.8

2009

7.3

2002

0.0

1987

7.8

2003

5.5

2018

0.0

1999

8.4

2003

7.1

2003

6.7

1972

8.7

1960

7.5

2005

7.0

1985

6.7

2004

7.9

1970

7.5

2002

4.3

2000

5.3

1993

6.4