Complex sentence: Between 1930 and 1940, as many as 3000 dwellings were constructed, and the population rose dramatically, from 1,425 to 3,471 in 1939 and 9,144 in 1951.
Split into simpler sentences: Between 1930 and 1940 as many as 3000 dwellings were constructed. As such, the population rose dramatically from 1,425 to 3,471 in 1939 and to 9,144 in 1951.