1955

7.5

1959

8.1

2020

7.3

1990

4.8

2004

6.3

2012

4.5

2019

5.7

2023

7.9

1991

6.7

1986

5.0

2007

5.7

1967

7.5

1968

7.4

2001

0.0

2003

5.8

2012

7.0

1948

7.3

1997

6.1

2014

6.5

2023

5.8