1994

5.0

1990

4.3

2019

6.0

2021

5.7

1991

0.0

2008

0.0

2017

5.4

1999

4.1

2003

4.2

1992

4.4

1998

6.2

2002

2.5

2005

8.3

2013

6.3

2001

6.1

2000

2.0

1991

4.0

2016

6.5