2007

10.0

2001

9.9

2013

6.1

1972

6.4

1988

6.3

2009

8.5

2005

5.7

2007

9.8

2012

6.1

2020

6.2

2002

9.1

2000

5.2

2010

5.5

1932

6.2

1970

6.0

1996

5.4

2025

6.0

1956

6.2

2019

7.5

2011

5.9