2007

8.2

5.0

1982

7.6

2006

5.5

2010

6.2

2015

6.0

1958

8.0

1981

7.1

2017

8.5

2012

9.8

2018

6.8

2007

10.0

1964

7.0

1956

7.6

1979

7.1

1957

7.9

2017

5.6

2021

7.8

2021

6.3

1972

7.3