Rome, June 7 - Ex-premier Silvio Berlusconi's People of Freedom (PdL) is holding its own as Italy's most favoured political party in a snapshot of public opinion released Friday. The survey by the SWG Institute found that 27.7% of voters polled favoured the PdL, essentially unchanged from last week's figures, while 25.1% said they would vote for the Democratic Party (PD), a decline of 0.7% from voters' intentions expressed one week earlier. Those two parties are working together in a coalition government headed by the PD's Premier Enrico Letta. In contrast, the 5-Star Movement (M5S) saw a rise in public opinion of 0.8% to reach 19.9% support from the 1,500 voters surveyed by SWG on behalf of RAI3 television earlier this week. The survey's margin of error was plus or minus 2.9%, which suggests the PD and M5S could possibly be tied in public support. The SEL party also saw a bump up of 0.5% to 5.5% while the Northern League slipped by 0.4% to 4.3% voter support and the Civic Choice lost 0.5% to fall to 4.7%.