2014

6.6

2012

3.1

1981

6.0

1983

5.9

1990

3.7

2015

5.0

1983

5.1

1998

5.2

2003

5.6

1999

8.2

1992

6.3

1989

5.1

1998

4.6

2008

0.0

1993

6.0

1985

6.1

1986

5.8

1987

5.5

1988

5.2

1989

5.1

2018

6.0

2002

7.0

2024

0.0

1982

5.7

1999

5.5

1990

6.0