SOFIA (Bulgaria), July 23 (SeeNews) -Â Bulgaria's M3, the broadest gauge of money supply, rose 7.8% year-on-year to 95.8Â billion levs ($54.6Â billion/ 49.0Â billion euro) at the end of June, compared to an annual increase of 9.1% at the end of May, the central bank, BNB, said on Tuesday.Â