2000

7.4

2016

6.8

2009

7.5

1995

6.5

2003

6.2

2000

5.7

2007

6.9

2004

5.6

2016

4.3

1992

5.0

2004

3.0

2019

6.1

1998

1.0

1999

5.4

2014

5.2

2004

3.8

2003

4.5

2011

3.4

2012

6.3

1974

3.6