ISLAMABAD: National Accountability Bureau (NAB) Chairman Justice (Retd) Javed Iqbal on Sunday reiterated his firm resolve of taking mega corruption cases to a logical conclusion. The NAB Chairman, in a press statement, said that the Bureau had recovered embezzled amount of Rs 71 billion and deposited the same to the national exchequer in last 22 months, besides filing 600 corruption references in various Accountability Courts. The average conviction ratio of cases was over 70 percent, which was unprecedented as compared to other anti-corruption institutions, he added. He said that NAB was performing its duties without any discrimination as its priority was to eradicate corruption from the country and all possible measures were being taken to achieve that goal.