1990

7.8

2003

7.6

2020

10.0

1994

7.4

2001

7.5

1995

7.3

1943

7.7

1975

7.5

2006

6.4

1998

6.9

1923

5.0

2015

5.7

1980

8.0

2003

7.2

2006

8.2

1962

7.9

1999

6.8

2016

8.1

2014

7.1

1983

0.0