2001

6.6

2004

8.3

2003

7.9

2004

8.6

2003

7.6

1993

6.6

2019

8.7

1998

7.2

1988

8.1

2014

6.7

1996

5.4

2000

7.5

1992

5.8

2011

8.1

1996

7.3

2007

7.6

2006

7.5

2020

7.5

2010

6.9

2009

7.9