2008

7.3

1996

6.4

1999

7.5

1990

7.1

2007

5.4

1999

5.6

1986

7.0

1971

4.8

2019

6.0

2020

0.0

1974

4.4

2018

6.1

2002

3.4

2015

6.2

1936

5.5

2007

3.5

2019

4.6

1917

0.0

2011

6.6

2024

5.0