1990

6.6

2002

5.2

1967

0.0

1956

4.0

2021

6.5

2014

6.5

1971

7.3

1987

4.9

1952

7.3

2006

5.7

1957

4.0

2007

7.1

1995

1.8

1999

7.6

2006

5.9

1994

5.5

2007

6.0

1977

6.9

1995

7.7

2010

5.8