The line graph shows the estimated number of chipmunks in a state park on April 1 of each year from 1989 to 1999.
Which of the following statements is best supported by the information presented in the line graph?
The chipmunk population consistently increased throughout the entire period.
The chipmunk population experienced significant fluctuations, including periods of sharp increase and decrease.
The chipmunk population remained relatively stable, never exceeding 100.
The graph suggests a predictable long-term decline in the chipmunk population after 1994.
