2012

9.7

1997

6.3

2009

8.5

2012

5.7

2011

9.5

2011

6.4

1951

6.0

2007

8.0

1975

4.5

1912

4.7

2006

9.8

1998

6.2

6.8

1970

5.0

2013

7.0

2023

7.8

1960

6.1

2023

4.7

1996

4.5