2020

7.7

2006

8.6

2003

7.8

2015

6.2

2006

8.2

2004

8.3

1996

5.3

2008

7.6

1975

7.3

2016

7.1

2015

9.6

2006

8.0

2006

7.0

2003

7.0

1993

6.9

2002

5.1

1992

5.9

2012

7.5

1999

7.4

1993

7.9