1991

7.2

2005

3.7

1998

6.3

2025

0.0

2008

5.0

2017

7.0

2014

6.6

1974

3.8

2003

6.8

1990

5.5

2014

7.5

1996

6.2

2006

6.2

1986

6.6

2017

3.9

2009

6.2

1986

5.8

1987

4.7

2014

6.1

1997

6.3