2009

8.3

1969

7.1

2015

6.0

2017

3.9

1961

5.6

2021

7.9

2017

6.0

2017

7.2

2006

6.5

1975

8.7

2016

7.0

1976

4.9

1968

4.4

1934

6.8

2016

7.8

1960

6.1

2007

5.7

2000

6.1

2004

6.7

1968

6.0