2010

5.6

2009

6.0

2021

3.6

2000

4.4

2004

5.2

2002

6.2

1997

7.6

1995

6.5

1991

7.4

1967

6.9

2005

6.3

2014

4.8

1978

6.1

2008

6.8

2014

3.0

2006

4.5

2019

4.5

2024

4.9

2013

1.7

2002

4.8