2014

6.9

1977

7.3

2014

3.1

2002

5.9

2009

6.1

2008

6.0

2006

7.8

1987

6.3

1990

9.0

1995

7.6

1928

0.0

1970

5.5

2002

6.4

2018

5.6

1954

6.2

2005

6.3

2007

6.1

2002

7.1

1984

2.0

1975

5.8