1999

7.7

1995

0.0

1988

7.0

2017

6.8

1992

7.4

1985

5.4

1997

7.5

1993

6.1

1994

8.3

2014

6.0

1984

6.7

1989

5.8

2000

0.0

2021

6.8

2011

7.4

2001

5.8