2005

7.5

2018

7.5

1925

7.6

1959

7.9

1997

7.4

1928

8.0

2014

5.3

1957

8.2

1986

7.5

1972

8.7

1974

5.2

1981

8.1

2016

5.0

2005

5.2

2006

6.9

2005

7.0

1995

4.6

2014

6.0

1998

6.8

2018

6.9