2006

7.7

2013

7.0

1974

7.0

2004

7.2

2002

6.8

2005

7.6

2025

7.1

1997

7.3

2020

7.4

2010

6.4

2017

7.1

1990

7.6

1993

5.6

2017

8.0

1968

8.1

1994

6.8

1990

6.8

1996

5.9

2021

7.4

2019

7.2