2002

5.0

2012

6.1

2010

8.0

2000

0.0

2001

6.6

2020

6.7

1990

7.4

2001

7.6

1999

7.9

2020

7.0

1999

6.9

2000

5.4

1984

5.6

1985

5.7

1999

5.7

1996

5.9