1971

5.0

2020

7.3

2019

6.0

2012

9.3

1967

6.5

1974

6.3

1966

7.0

1971

6.6

1959

7.4

2007

7.0

2013

7.6

1998

7.0

2017

6.2

1955

6.3

2011

6.4

2003

7.1

2017

5.9

2004

7.8

2009

7.3

1999

7.0