1998

7.3

2006

7.6

2024

5.5

2002

4.8

2016

6.5

2010

4.6

1972

3.0

2013

5.8

2007

6.5

2017

6.2

2013

6.7

2005

5.9

1978

7.5

1995

7.7

2017

4.6

2009

6.3

2023

7.1

2007

4.6

2003

4.7

2014

6.3