1969

0.0

1968

7.6

1989

5.0

2019

6.9

1975

5.5

2003

7.8

1996

2.0

2012

4.4

2009

7.5

1999

5.5

1965

3.4

2009

6.5

2007

3.8

1969

4.3

1972

5.7

2013

6.7

2005

6.4

1965

3.6

1977

5.6

1969

4.5