1922

7.7

2004

7.5

1992

7.4

1932

7.8

1931

7.2

1932

7.3

2006

5.6

1955

7.9

2007

6.2

2006

5.3

1998

5.8

2009

5.8

1987

7.1

1990

6.7

2019

5.2

2014

1.5

2018

4.6

2005

6.4

1987

4.1

2007

5.2