1990

7.2

2003

8.0

2007

5.4

2005

4.3

1987

5.6

2000

7.9

1986

7.1

1972

7.9

1985

7.5

2013

4.2

1984

7.5

2019

2.0

1995

4.9

2003

8.1

1988

0.0

1991

7.2

1992

6.0

2000

4.9

1996

0.0

1994

4.9

2000

5.9

1982

6.5

1976

5.6

1991

6.0