2010

6.6

2011

7.1

2015

6.1

1959

8.2

2008

6.1

2003

6.1

1921

7.8

1973

7.2

1968

6.9

1987

5.7

2018

7.2

1928

7.9

2006

6.4

1927

7.5

1939

7.5

1967

6.8

1969

6.5

1950

8.0

2021

7.4

1947

7.7