0.0

1996

7.1

2023

7.1

2015

7.1

2011

7.9

2016

6.2

2011

7.2

1971

7.5

2004

7.0

2020

0.0

2017

6.2

1994

6.0

1999

5.0

1989

8.2

1984

8.0

1998

7.3

2003

5.0

1988

7.4

2004

5.0

1971

8.1