1958

7.6

1984

8.0

1998

7.3

1989

6.9

1929

6.5

2005

7.2

2005

7.5

1966

7.3

1985

7.2

2019

8.5

1972

7.4

1974

7.0

1991

7.9

1992

6.6

1990

6.6

1989

4.5

2020

0.0

1971

0.0

2006

7.1

2009

5.9