english: He said that they have a science behind that art, and they've actually created four essential pillars, nine key indicators and 72 different metrics that help them to measure their GNH.
non_english: Još je dodao da oni imaju naučnu podlogu za tu umetnost. Stvorili su četiri osnovna stuba, devet ključnih pokazatelja i 72 različita merna instrumenta koji pomažu da se izmeri stvarni nivo BNS.