1991

7.2

2003

9.0

2004

1.0

1980

5.9

2005

7.5

2016

5.0

2015

10.0

2023

6.3

2023

0.0

1999

0.0

2022

7.6

1970

6.0

1971

6.0

2014

6.9

1989

7.5

2008

0.0

1986

0.0

1964

0.0

1988

7.0

1993

6.5