1990

7.2

1969

8.2

1976

7.4

1976

6.3

1997

7.5

1999

6.0

1986

7.9

1966

7.3

2001

6.6

2002

9.0

2019

0.0

1967

7.3

1991

7.8

2001

5.8

2002

6.7

2003

7.1

2016

9.2

1995

0.0

1976

8.0

2000

8.0