BHP's half yearly results drive Australia shares to one-year high

* BHP declares record interim dividend, posts best H1 profit in 7 years. * NZ50 snaps five-day losing streak, closes 0.8% higher. Feb 16 (Reuters) - Australian shares ended Tuesday's session at a one-year high, driven by strong half-yearly results and a record dividend payout from global miner BHP BHP.AX , while elevated commodity prices continued to boost the mining and energy sectors.