2002

7.4

1984

7.2

1990

7.5

1993

7.8

1996

7.6

2015

5.9

2005

7.0

2016

4.9

2006

0.0

1995

4.4

2017

5.0

1934

6.3

2014

7.0

2018

5.8

2021

10.0

2007

6.4

1990

6.2

1988

0.0

1924

0.0

1999

7.6