2000

7.0

2000

7.6

1999

7.0

1982

6.7

1999

5.7

1972

7.7

2005

7.4

1987

7.1

1988

7.2

2004

7.1

2019

6.7

1989

6.9

1995

6.5

2001

6.7

2002

7.1

1997

6.7

2000

6.1

1973

7.8

1976

7.1

2015

5.8