2020

5.4

2006

9.9

1996

5.3

2010

7.2

1996

7.4

1964

7.4

1984

7.0

2002

5.0

2005

4.7

2000

5.5

1992

6.5

2018

5.8

2011

7.3

1995

5.7

2012

7.9

2009

5.3

1964

6.3

1989

9.2

7.3

2004

6.1