1992

6.4

2018

6.5

2007

5.2

2025

0.0

2002

7.0

2008

7.7

1997

5.6

1992

5.8

2023

0.0

2014

4.6

1983

7.0

0.0

2007

6.1

2024

5.5

2000

6.8

1997

6.9

1991

7.1

2003

6.3

1985

6.6

2004

6.5