1996

7.0

1976

7.4

2008

8.0

1934

6.5

2006

4.7

2003

5.7

1991

7.3

2004

5.3

1999

6.2

0.0

2017

4.6

2005

5.0

2009

7.1

2018

0.0

2005

5.7

2009

5.3

2015

6.7

2019

5.2

1995

6.6

2005

6.6