2018

7.0

2002

6.4

2020

6.9

1988

6.0

2002

5.5

1998

6.6

1997

8.4

2001

7.9

2000

7.1

1999

7.3

2005

5.3

2010

5.8

2003

5.3

2014

6.5

1977

7.7

2004

7.2

1995

6.3

2008

5.7

2003

5.5

2014

6.5