1946

6.0

2006

7.5

2003

7.7

1995

7.0

1998

0.0

2002

0.0

2000

5.7

1999

6.3

1980

6.3

1980

6.4

1976

6.9

1968

6.0

1949

4.7

1944

6.0

2011

5.2

2011

5.2

2007

5.2

1959

6.1

1985

6.3

2019

8.0