2018

6.4

2010

7.1

2021

1.0

2011

7.3

2009

7.1

2021

8.3

2021

10.0

1964

7.4

8.1

6.1

1969

5.2

2017

8.0

2005

5.3

2007

6.7

0.0

1901

5.8

1994

5.4