1909

4.6

1912

4.0

2000

7.3

1934

7.5

2010

6.3

1929

6.2

2015

6.1

1966

6.2

2013

6.6

1928

7.0

2004

4.9

2006

6.7

1956

7.5

2008

8.0

2019

5.4

2014

6.2

1995

7.0

2016

6.0

1969

7.6