The human species may be more than 100,000 years old but the bulk of its numerical growth has come in just the last few decades: 2.6 billion of today's 5.6 billion people have been born since 1960.
The bulk of its numerical growth occurred more than three hundred years ago.
( z1 grow :ARG1 ( z2 it ) :ARG2 ( z3 bulk ) :ARG3 ( z4 numerical ) :time ( z5 before :op ( z6 now ) :quant ( z7 more-than :op ( z8 temporal-quantity :quant 300 :unit ( z9 year ) ) ) ) )