Argentina's official statistics agency released the first inflation figures since President Mauricio Macri took office promising to tame skyrocketing consumer prices, AP reported. Inflation remains stubbornly high and is one of the biggest concerns for Argentines. The revamped INDEC statistics agency released a new national inflation index Tuesday. It says the South American country's inflation rose 4.2 percent in May from the prior month. Argentina's inflation numbers have been in doubt since 2007. That's when President Cristina Fernandez's late husband and predecessor, Nestor Kirchner, had political appointees change the agency's methodology Macri's government revamped the questioned national statistics agency in an effort to encourage investment and regain lost credibility in South America's second-largest economy.