Since graduating from University I've worked in four different jobs (graduated 2.5 years ago). Each spanning in length from 6 months - 1 year. Every time raise

Since graduating from University I've worked in four different jobs (graduated 2.5 years ago). Each spanning in length from 6 months - 1 year. Every time raises/bonuses have come up, I haven't been given one. My salary is 40% higher than it was when I left University though. Finally found a role I actually want to stay in and see a future in as well now, so hopefully I'll see raises/bonuses come my way in the near future.