1974

5.5

2006

7.0

2015

8.0

1960

8.1

1989

7.1

2014

6.2

2014

7.1

2007

6.0

2024

0.0

2021

5.9

1960

8.4

1985

7.2

2004

8.0

1963

7.6

1997

7.4

2005

6.1

2007

6.5

2011

6.7

1994

6.4

2002

5.9