2006

5.8

1979

8.3

2002

7.6

2004

7.8

2015

7.0

2001

7.4

1984

7.5

2003

6.8

2003

6.1

2007

6.4

2002

6.5

1990

5.6

1999

6.2

1994

6.2

2012

0.0

1980

6.0

2007

6.0

2023

6.0

1986

7.0

1999

6.5