1995

7.6

1985

8.3

2015

3.7

1989

7.8

1986

7.2

1990

7.5

1996

7.3

1984

7.7

2017

5.5

1990

7.5

2012

0.0

2014

8.0

2018

0.0

2009

6.3

2024

0.0

1996

5.2

1973

5.4

2025

0.0

2010

4.7

2000

7.0