2001

7.8

1997

4.4

1989

5.9

2000

8.0

1989

5.7

2020

6.0

2005

8.1

2003

6.9

1992

5.3

1982

7.5

2015

7.5

1990

4.6

2004

10.0

1990

5.3

1991

5.7

1997

6.3

1987

8.4

1984

6.9

1982

6.3

2006

7.1