1992

7.4

1964

7.2

2015

7.5

2017

7.4

1933

5.0

1915

0.0

2006

6.9

2006

7.5

2013

8.2

2007

5.0

2021

0.0

1984

0.0

2021

7.1

1995

7.0

2003

6.3

2000

6.5

1982

3.2

2006

4.9

2024

6.7

2023

6.9