2010

7.2

2005

4.7

1921

6.8

2012

5.7

1994

7.4

2014

7.1

1965

7.5

1999

6.7

1953

7.1

2015

7.5

1952

6.7

2008

6.1

2025

5.8

1990

6.4

1992

7.7

1992

7.0

1968

6.0

1972

6.2

2005

5.9

2007

7.7