2012

6.4

2010

4.8

1961

6.9

2009

6.6

2004

8.4

2011

7.0

2009

5.6

1963

8.3

2017

7.4

2011

7.5

1957

8.5

1972

6.2

2019

8.2

2021

7.6

1960

8.4

2020

6.3

1985

6.4

2002

8.0

2019

6.7

1995

6.3