2013

6.1

2017

4.9

5.6

6.6

2021

7.0

2006

8.5

1985

6.8

2016

7.0

7.0

2024

6.0

1972

6.3

2023

5.0

1896

5.2

2005

0.0

2005

7.7

2003

5.0

2011

6.0