1964

7.1

1993

6.2

1999

7.4

1971

7.4

1987

6.5

1998

7.3

1968

7.1

1995

7.9

1971

7.4

2016

7.6

2015

6.8

2006

6.6

2025

0.0

2002

5.1

2006

4.1

1974

6.4

2014

7.0

2019

5.0

2008

6.5

2006

5.8