2006

6.2

2011

4.0

2019

2.5

1975

4.0

2009

3.0

1993

6.7

1965

5.9

1992

5.7

1994

9.7

1984

8.0

1917

5.5

2000

8.0

2008

4.1

1925

6.0

2017

3.8

1960

5.8

1990

6.3

2019

9.0

2013

4.9