2007

7.8

2002

4.3

1999

7.2

2006

6.1

2014

7.1

2024

9.0

2023

6.7

2004

5.9

1994

7.3

1980

6.2

2007

6.6

1974

0.0

1991

7.0

2019

4.5

2021

0.0

1982

4.8

1980

4.6

2023

2.0

2017

6.2

1976

7.8