1993

6.6

1994

5.2

2000

7.7

1995

6.0

2018

6.5

1997

6.5

1994

6.2

1988

6.3

1996

5.5

0.0

2002

6.1

1997

0.0

1986

6.1

2020

6.3

2016

6.5

2010

6.7

1987

7.1

1999

2.8