2020

9.8

2014

6.8

2021

8.9

2009

6.3

1994

9.7

2015

5.9

1941

5.4

2009

6.1

1990

6.3

2011

5.8

1993

5.5

1951

5.5

1952

6.5

1972

6.6

2007

7.7

2012

4.7

2008

7.5

1991

5.7

2010

7.1