1991

6.4

1977

6.8

1999

7.9

1986

7.9

1990

7.4

1998

7.8

1998

7.1

1993

6.6

2016

8.5

2013

6.3

2020

6.9

2024

8.9

2013

6.4

1999

7.3

2012

0.0

2012

0.0

2017

6.0

2017

6.8

2017

8.4

2017

7.7