1922

7.7

2007

6.2

1980

8.2

2004

7.5

1996

7.0

1992

7.4

1981

7.3

1987

7.5

1992

7.3

2001

6.7

2022

1.0

2021

0.0

2015

4.7

2016

6.0

1996

0.0

1962

0.0

1977

5.2

1986

5.5