1996

7.7

1997

0.0

1982

7.6

2004

7.9

1990

6.3

2019

7.7

1993

7.7

1968

6.7

2005

7.0

1989

8.0

1999

7.4

1994

7.1

1998

6.1

2008

7.6

1990

6.9