2003

7.6

1998

7.2

2003

8.2

2001

6.6

1996

5.4

2008

7.6

1993

6.6

2022

8.5

2016

7.9

1992

5.8

2014

7.8

2004

8.3

2004

8.6

1988

8.1

2016

7.7

2017

6.4

2007

8.5

2018

6.9

2014

8.3

2017

6.6