2007

7.6

2015

6.4

2024

5.6

2001

3.2

2013

8.0

2011

6.5

2014

5.5

2009

6.7

1990

7.4

1999

7.9

2015

6.4

2017

8.2

2001

6.8

1995

7.0

1985

7.1

2010

6.0

2017

7.6

2009

6.2

1988

5.0

2016

5.6

2007

5.6

1999

7.9

2016

6.1

2011

7.5