1995

6.0

2017

5.5

2003

5.5

2000

7.1

1999

6.4

1997

7.1

1931

0.0

2005

7.2

2005

6.6

1972

7.0

2011

6.2

2013

5.5

2003

5.9

1970

7.2

2002

7.6

1994

7.5

2004

7.2

1956

7.2

2018

5.7

2002

6.6