1976

7.2

1996

6.4

2015

0.0

1993

6.1

2002

6.3

1999

5.7

2004

5.3

1998

6.2

2003

6.5

2008

6.0

2020

10.0

2003

0.0

2019

0.0

1988

0.0

1990

0.0

1990

0.0

1998

0.0

1991

7.3

1992

4.0

2021

6.6