2002

6.6

1990

7.7

1988

7.5

2002

7.3

1987

8.1

2004

6.3

1995

6.7

1973

7.4

1950

7.0

2007

6.7

1978

6.3

2025

0.0

2017

8.5

1962

8.4

1999

5.8

2006

5.0

2008

5.7

2018

0.0

2001

6.9

2007

6.1