1989

4.5

1998

5.4

1998

6.7

1969

3.3

1990

0.0

2012

6.3

1996

3.4

2014

6.2

1994

3.8

1992

4.5

1960

7.1

2002

10.0

1992

7.0

1994

5.1

2009

6.0