1987

6.9

2001

6.3

0.0

2013

6.0

2016

4.6

1982

7.1

2017

5.3

2016

5.6

2014

6.6

2018

5.6

1973

5.7

2004

5.0

2000

6.4

2001

7.6

2016

4.8

1991

0.0

2009

5.4

2021

8.0

2017

5.0

2002

5.6