2000

7.6

2002

8.6

2006

7.9

2005

7.9

1987

7.1

1975

7.2

2019

6.4

2009

8.0

2002

7.7

2002

7.0

2012

1.0

1991

0.0

1999

7.9

1986

7.9

1990

7.4

1998

7.8

1998

7.1

1994

7.2

1982

6.3

2002

8.2