2010

7.8

1989

7.8

2009

4.1

2004

7.8

1992

6.0

1988

7.5

2020

6.0

2015

5.1

1989

7.9

1956

6.2

2005

5.4

2000

7.4

1967

6.5

2010

6.1

2012

6.3

2025

6.9

2003

6.5

1998

7.0

1940

7.4