1996

8.0

1954

6.2

2018

5.6

2019

7.1

1984

2.0

1975

5.8

2006

7.8

1977

7.3

1987

8.6

1986

7.0

1995

7.6

1990

9.0

2002

5.9

2001

4.4

2009

5.3

2004

7.7

1964

0.0

2008

4.8

2009

4.4

2019

7.8