2007

6.2

2007

10.0

1984

7.2

2001

6.8

1994

6.7

2005

5.6

2007

6.7

2016

7.1

2005

6.0

2019

1.0

2015

6.1

2016

6.5

1952

7.3

1953

7.4

1969

7.5

2000

5.8

2000

7.3

2004

6.4

1980

5.9

2006

6.1