2015

7.5

2022

5.8

1999

6.0

2007

6.6

2005

3.6

2017

5.7

2014

6.4

2002

5.3

1981

5.9

1985

5.4

2019

2.8

2010

6.4

2004

3.8

1996

4.8

1980

2.8

1998

4.2

1999

4.0

2017

6.8

1984

2.5

2012

7.0