1985

7.5

1988

6.4

2017

10.0

1992

6.2

2007

5.2

1987

6.9

2000

6.3

2025

7.5

2018

6.2

2008

5.4

2005

6.3

1997

7.5

2001

7.8

1999

7.1

2020

0.0

1986

7.6

1998

7.1

1990

7.0

2016

6.5

1972

6.8