2012

9.3

2013

6.1

2018

6.0

1911

9.5

1989

6.1

2008

6.3

2015

6.6

1990

4.4

2020

6.4

2005

5.7

1988

5.5

1996

5.4

2017

7.3

2015

7.3

2023

6.3

2003

5.8

2023

4.6

1985

6.8