1994

7.2

1982

6.4

2002

8.2

1987

7.2

1994

7.5

1975

7.3

2002

8.6

2005

7.9

2019

8.5

2017

0.0

2002

0.0

2004

7.0

1991

6.4

1977

6.8

1999

7.9

1986

7.9

1990

7.4

1998

7.8

1998

7.1

1993

7.0