1999

6.6

1976

4.9

2012

2.0

1982

5.1

2019

4.1

1988

5.0

2001

6.4

1999

5.6

1972

7.1

1980

4.0

2015

3.0

1980

6.3

2001

5.6

2005

6.2

1978

3.0

1986

6.7

2003

6.1

2001

0.0

1998

0.0

2017

3.6