2019

4.0

2015

7.1

2009

0.0

2019

0.0

1996

7.3

1999

6.8

2001

7.5

1993

6.7

2005

6.9

1996

6.6

2003

7.8

2002

7.0

1990

7.8

2004

7.3

1997

7.9

1985

7.2

1996

8.0

1989

7.4

2019

1.0