2002

6.8

2005

4.0

2005

5.3

2003

5.9

1996

6.4

1970

7.2

1964

7.1

2016

6.7

2001

7.3

2009

6.6

1988

6.3

1992

0.0

1997

6.1

2016

3.3

2021

7.0

1972

5.6

1980

6.6

1995

5.8

2020

0.0

2003

5.5