1982

7.6

1981

7.4

2017

6.6

2000

6.1

2014

7.3

2019

6.5

1993

6.9

1980

0.0

2008

7.2

2021

6.5

2003

7.7

2008

7.0

1982

0.0

1994

6.8

2009

6.7

1997

6.6

1938

6.0

1993

7.4

1970

7.5

2002

6.9