2018

7.7

1997

5.8

1996

4.0

2017

6.3

2020

6.7

2003

5.9

2019

6.3

2000

4.8

2011

7.4

2006

7.8

2000

6.4

2002

5.0

1995

7.6

2005

8.3

2004

7.2

1992

7.2

2006

4.0

2016

7.6

1994

5.9