1969

3.5

1968

0.0

2021

3.0

2003

7.8

2006

7.4

1968

8.1

2005

6.5

1996

6.4

2002

7.5

1984

7.9

1981

7.9

1984

7.3

1989

7.8

1998

6.8

1982

6.7

2000

8.2

1972

8.1

1936

5.9

1970

7.0

2005

7.0