1996

8.0

2001

4.3

1983

4.0

2002

7.1

2005

6.3

1987

6.2

1995

7.6

1975

5.8

1970

5.5

1999

5.0

2016

7.0

2007

6.1

2005

7.5

2023

10.0

2006

7.8

2018

5.6

2014

6.9

2019

7.3

1928

0.0

1999

5.4