2000

6.4

2003

7.2

1964

6.2

1983

7.4

2002

6.2

1965

6.1

1966

6.1

2016

6.1

1967

7.3

1994

6.7

1964

6.3

1994

6.9

1992

7.4

1994

6.2

1982

6.8

1966

5.6

2005

6.2

2005

6.5

2006

7.6

1930

1.0