2018

7.9

2006

7.0

2014

6.6

1971

6.0

1962

8.0

1987

8.1

1988

7.7

2005

7.2

1996

7.4

2007

0.0

1919

6.9

1989

7.7

1998

7.7

2005

6.8

1975

7.0

1960

6.3

1971

5.2

2000

6.2

1986

4.8

2005

5.8