1984

4.1

1991

0.0

2018

7.7

1982

4.0

2000

6.1

1985

7.2

1999

6.5

1997

8.5

1978

7.0

2017

7.1

2007

5.3

2017

6.6

1987

6.0

1986

5.4

1982

7.1

1999

7.2

2005

6.4

1984

6.7