2001

7.8

2024

9.0

1974

8.0

2023

9.8

2014

7.3

1999

7.5

2010

6.7

1987

6.2

1990

7.6

1972

7.3

2000

8.0

2009

6.4

2014

7.8

2015

7.9

2013

7.5

1960

7.6

2004

7.4

2008

7.7

2009

7.3

2012

7.3