2001

6.2

2001

6.7

2005

5.0

2007

5.0

2001

5.7

2015

5.3

2014

6.4

2002

5.3

2003

8.0

2003

7.2

1990

7.3

1990

7.0

1932

4.9

1971

5.7

2013

4.8

1978

5.0

1992

6.5

1995

5.2

2003

1.5

2003

7.0