2001

6.2

1939

7.6

1977

7.1

2001

6.7

2020

7.3

2017

0.0

2009

6.3

2002

2.0

2013

4.8

2003

7.4

2002

6.6

1999

7.4

1971

7.5

1964

7.3

1993

7.4

1940

7.4

2006

7.7

1985

5.0

2007

5.5

2016

5.9