2016

7.8

2022

3.7

1994

3.0

1980

4.8

2007

4.6

1982

3.0

1990

3.5

2013

5.2

1990

4.9

1997

3.0

2016

5.4

2003

3.5

2003

4.3

1981

2.0

1992

2.0

1999

3.8

2017

5.3

2017

4.6

2003

3.1

2002

3.4