2008

8.7

1993

6.9

2012

7.1

1928

8.0

1997

7.4

1989

6.3

2012

5.8

1991

7.7

1999

8.5

2015

7.3

2010

5.0

2018

6.7

2011

6.1

2014

6.1

1942

7.0

2010

7.0

2009

7.2

2020

8.0

2004

7.0

1987

6.9