Chapter 3.1, Problem 1C

To determine

The trends in the unemployment rate over a period of $20$ years, when the average rate of unemployment for the years $1992$ to $2011$ is shown in the table and the graph below:

Year	$\text{'}92$	$\text{'}93$	$\text{'}94$	$\text{'}95$	$\text{'}96$	$\text{'}97$	$\text{'}98$	$\text{'}99$	$\text{'}00$	$\text{'}01$
Rate $\left(\%\right)$	$7.5$	$6.9$	$6.1$	$5.6$	$5.4$	$4.9$	$4.5$	$4.2$	$4.0$	$4.7$

Year	$\text{'}02$	$\text{'}03$	$\text{'}04$	$\text{'}05$	$\text{'}06$	$\text{'}07$	$\text{'}08$	$\text{'}09$	$\text{'}10$	$\text{'}11$
Rate $\left(\%\right)$	$5.8$	$6.0$	$5.5$	$5.1$	$4.6$	$4.6$	$5.8$	$9.3$	$9.6$	$8.9$