2000

7.7

2018

6.4

2006

6.7

2017

7.3

2000

7.4

2016

4.9

1988

5.7

1998

6.9

1987

7.1

2000

7.6

2004

7.4

2001

7.8

1996

6.6

2021

6.9

1995

8.0

1983

5.8

2005

7.3

2008

6.6

2007

7.5

2003

6.7