0.0

2009

0.0

1999

5.0

1996

5.3

2008

6.9

1984

6.7

2002

6.6

2003

7.8

1994

7.2

1982

6.4

2002

8.2

2016

0.0

2019

6.7

2014

8.4

2019

7.2

1994

1.0

1997

7.7

2019

5.0

2021

6.8

1975

7.0