2004

7.3

2021

7.4

2007

5.1

2000

6.8

1989

7.2

1998

7.4

1977

6.9

2014

9.1

2008

3.4

2003

5.9

2019

8.4

2017

7.5

2006

5.8

2020

4.2

1997

6.5

1980

7.2

2014

8.4

2019

8.0

1984

7.5

2003

6.6