2007

10.0

2012

6.4

1989

9.3

2018

6.7

1987

7.4

2000

5.2

2015

6.6

2016

6.9

1955

6.2

2016

6.2

2017

5.5

2006

10.0

1998

6.0

2009

6.7

2021

6.1

2010

9.1

1999

5.9

2019

8.4

1991

5.8

2002

4.6