1996

6.4

1990

7.3

2023

6.1

2015

7.7

1952

4.7

2006

6.5

2021

5.0

2001

5.1

1918

6.4

1924

5.9

1964

6.3

2016

0.0

2000

5.7

2024

0.0

1977

6.8

1955

5.5

1966

5.2

2009

4.0

1958

5.9

1980

3.0