1964

7.3

1995

6.6

1989

6.1

1998

6.8

2023

0.0

2023

0.0

2019

0.0

2006

5.9

1992

7.2

1987

6.3

2002

6.1

2004

4.5

2006

6.5

2007

5.8

2006

6.8

1988

7.1

2008

5.3

1994

6.2

1983

7.4

1984

7.4