1922

7.7

1996

7.0

1994

7.4

2018

4.6

2021

5.8

2000

6.9

1998

5.8

2009

5.8

1987

7.1

1931

7.2

2004

6.4

1988

4.2

1967

7.0

1989

5.9

2004

6.4

2013

6.0

1970

5.1

1962

5.6

1971

4.4

1993

6.6