1987

6.8

2004

8.3

2004

8.8

2001

7.3

2005

6.2

2018

8.0

1987

4.0

2003

7.1

2005

6.8

1949

6.7

1990

6.4

2005

6.2

1998

6.2

2019

0.0

1985

0.0

1981

8.7

2002

10.0

2017

7.4

2016

0.0

2021

0.0