1991

5.7

2008

6.7

2023

8.7

1989

5.2

2005

6.3

1994

4.6

1990

6.1

2014

6.9

2003

6.2

2014

6.6

2013

7.3

2004

7.9

2014

6.9

2013

6.9

2003

7.6

2016

4.5

2014

6.9

2010

8.2

2014

6.6

2010

5.0