2003

7.8

2003

7.4

1998

6.5

2005

7.3

1999

8.0

2013

6.8

1975

5.8

1938

7.2

2009

5.4

1964

8.2

2007

7.6

2004

6.5

2006

5.7

2014

7.9

1960

4.9

2001

6.1

1976

5.1

2019

7.1

2007

7.0

1999

6.1