2005

8.6

2006

5.5

1985

5.9

2022

4.0

1972

10.0

2015

7.4

2012

6.0

1961

7.9

2016

7.2

2007

7.7

2003

5.8

1932

6.6

1968

6.9

1992

6.2

1924

7.1

2014

5.6

1972

7.7

1978

5.8