2021

9.2

2001

9.9

1987

5.5

2020

6.1

2012

7.0

2013

6.1

2020

6.8

1998

6.0

1989

5.2

1942

5.6

2009

7.1

2010

4.8

2013

7.6

2013

6.5

2008

6.9

2002

5.8

6.1

2016

6.9

2013

6.1

2015

6.4