1991

7.0

2020

5.8

2006

10.0

2012

9.7

2022

5.6

2013

6.1

2012

7.7

2001

8.9

2012

8.2

2005

9.9

2015

7.8

1999

7.4

2012

8.4

1911

9.5

1987

7.4

2011

7.1

2012

9.4

2009

5.3

2004

9.9

2020

6.0