2018

6.8

2014

7.1

2008

5.2

2002

6.6

2006

6.1

1939

6.9

1946

5.7

1991

6.2

2012

0.0

2024

0.0

2021

7.3

2018

7.3

1991

7.1

1984

6.1

2004

6.6

1947

6.0

2023

6.4

1986

10.0

1973

6.8

2006

6.0