1999

5.5

1993

4.9

2004

5.7

1979

7.3

2008

7.0

2005

6.1

1989

0.0

2007

6.3

2014

0.0

1989

5.8

2016

7.7

2011

3.8

2017

5.8

1932

6.3

1929

6.8

1928

6.1

2023

0.0

1959

0.0

1916

6.7

2018

5.3