2013

5.6

1989

3.2

2017

5.7

1974

10.0

2003

8.0

2002

7.5

2019

6.7

2006

5.2

2000

5.0

2004

4.1

2005

6.9

1985

6.4

2004

6.8

2006

4.4

1996

5.9

2005

6.1

2005

5.0

1993

5.9

1980

5.3

1978

7.3