2003

6.3

2005

7.0

2000

6.3

1999

5.6

1985

6.6

2019

5.8

2019

5.9

2008

7.3

1996

5.6

1999

5.7

2005

5.9

2007

5.8

2003

6.0

2005

6.7

2002

6.1

2014

6.5

2015

3.9

2007

6.2

2023

0.0

2006

6.6