If I did not accumulate 12 months of work in the last 18 months, would I be eligible for unemployment?


Those who have not worked 12 months in the last 18 months, can complete required months with other periods over the last 18 months, such as periods of military service, reserve duty, maternity allowance and more, as specified in this link.
If you have been sent on unpaid leave or dismissed after the 1.3.20, and worked at least 6 months of in the last 18 months, you will be entitled to half of unemployment days granted to those who have accumulated 12 months of work.  Please note that periods of regular military service and national service are not included in the 6-month qualifying period.