1. Population grew both as a result of natural increase of continued immigration.

2. The third chapter is related to the natural increase of the population in West Han Dynasty.

3. Consequently, the rate of natural increase dropped from eight to four per 1000 over the decade.

4. And natural increase will be the main cause of that growth, not migration from rural areas.

5. With the accumulation of cute characters, a natural increase in the game playability.

6. Population grew both as a result of natural increase and of continued immigration.

7. Natural increase simply measures the excess of births over deaths.

8. Since then the birth rate has recovered somewhat, leading to modest rates of natural increase.

9. Other depressed areas also lost much, if not all, their natural increase in population.