1990

7.4

2001

5.8

2023

6.3

1999

6.8

2000

7.0

2001

6.6

1966

6.4

2001

6.0

2001

6.0

1952

0.0

2004

7.6

1971

7.8

2005

7.9

2000

8.5

1983

7.6

2004

8.4

2006

8.1

1958

7.0

1999

0.0

2011

0.0