2019

6.1

1992

5.0

2004

5.5

2000

7.4

2002

6.3

1999

5.4

2010

4.5

2012

6.3

2014

5.2

2008

6.8

1989

6.0

2004

3.8

2017

6.7

2011

3.4

2025

5.0

1991

5.8

1998

5.8

1977

4.1

2009

3.5

2011

5.3