1995

6.2

1962

7.0

1963

7.1

1967

6.6

1977

6.8

1987

6.5

1969

7.8

1998

5.8

1985

6.0

2021

0.0

2005

6.3

2000

7.1

1981

6.2

2008

6.9

2003

4.9

2006

5.4

2001

0.0

2000

5.7

1996

6.6

1985

8.1