1983

5.6

2020

7.3

2001

6.2

1999

6.5

1989

6.8

1980

0.0

2014

7.4

2002

7.8

2004

6.3

1995

7.4

2001

5.1

1996

6.0

1977

6.8

2005

6.2

2005

5.8

2003

7.5

1994

5.3

1992

7.2

1984

6.9

2017

5.8