1990

6.5

1969

5.8

2017

10.0

1993

5.7

2003

7.6

2020

2.0

2008

6.6

2011

6.7

1994

6.4

2008

7.5

1931

7.1

2020

5.5

1995

6.6

2013

5.3

2020

10.0

2004

7.9

2000

7.2

1972

7.3

2007

5.9

2013

7.5