2007

7.1

2017

6.7

6.6

1997

5.1

2004

5.7

2011

6.5

2016

5.7

1997

6.4

2016

5.5

2016

6.5

1996

7.2

2011

7.4

2025

6.2

2011

4.6

2024

7.3

5.0

2013

5.9

1994

5.3

2014

8.5

2022

4.5