1994

7.2

1985

6.2

1987

8.1

1987

4.5

1989

6.3

1990

7.4

2009

7.5

2001

0.0

1988

5.7

1985

4.8

2014

5.6

1990

5.6

2019

8.7

1984

6.5

1985

6.5

1990

5.4

2002

6.4