2020

5.4

1996

5.3

1989

9.2

2001

8.9

2005

4.7

2005

8.6

2011

3.6

1984

7.0

2010

4.8

2008

9.0

2002

5.0

2009

6.0

1972

7.7

1963

6.8

2003

6.1

2006

5.5

1957

7.2

1992

6.1

1932

6.6

1972

6.2