2001

7.2

1998

6.8

1970

6.2

2007

7.6

1986

7.4

1980

6.7

2018

5.1

2014

7.3

1985

1.0

1994

5.2

1993

6.1

2004

7.3

1971

7.0

2008

5.4

1998

6.2

2018

1.0

1983

6.7

1904

7.2

2001

6.3

1972

6.3