2014

8.1

1989

6.6

1984

7.5

2012

6.2

2024

7.9

2005

7.2

2006

7.7

2017

7.4

2003

7.8

2006

7.8

1998

7.0

2012

7.7

1977

7.6

1990

7.9

2007

7.5

1989

8.2

2020

9.8

1994

8.0

1993

7.0

2006

8.6