2008

6.8

2008

5.9

1987

7.5

1970

6.3

1989

5.1

2016

5.9

1932

7.8

1939

7.3

2003

7.2

2007

6.6

1998

6.1

2019

8.1

2012

5.5

2000

7.2

2015

6.7

1975

7.2

1985

6.2

1928

7.8

2010

5.6

1993

6.6