1968

7.2

1992

6.7

1998

6.6

1971

7.4

1983

5.9

2008

6.6

1982

7.5

2013

4.5

1987

6.5

2018

4.6

1995

5.2

2017

7.4

2014

5.5

2019

0.0

2019

6.8

2024

7.0

1991

6.1

1982

6.2

1989

7.0

1993

7.3