2009

7.8

2019

5.3

2007

7.9

2006

7.0

2010

8.0

2025

5.5

1996

5.9

2022

8.0

2015

7.1

2000

7.4

1997

6.5

1990

5.7

1990

0.0

1991

0.0

2023

6.5