2017

7.3

2016

6.0

2019

4.1

1996

6.4

1991

7.7

5.5

1968

6.9

2013

6.5

2002

7.5

1963

7.0

2016

0.0

1989

6.3

2015

0.0

1982

5.4

1974

4.9

1992

7.7

2007

6.1

1995

6.9

1995

5.4

1971

7.2