Cycle of Change

0

/

2025

6

/

1940

0

/

NaN

0

/

1959

0

/

2000

0

/

1989

3.5

/

1951

0

/

1979

3.4

/

1941

0

/

2010

0

/

2020

0

/

1970

0

/

1999

0

/

NaN

9

/

2024

7.1

/

1988

7.295

/

1986

6.8

/

2004

8.468

/

1994