1997

7.1

2024

8.5

2003

7.0

2022

8.4

1999

6.9

1994

6.8

2007

8.1

2022

8.9

2024

7.3

2021

7.4

2010

6.8

2013

7.8

2024

7.2

2023

7.9

2005

7.4

2024

8.0

2001

7.6

2020

8.2

2020

7.7

2015

7.5