Complex sentence: From 1980 onwards the city experienced almost constant population growth and by 1990 it again reached a population of 200.000 and accelerating growth has brought the city to roughly 260.000 inhabitants in 2014.
Split into simpler sentences: From 1980 onwards the city has experienced almost constant population growth and by 1990 the city again reached a population of 200.000. Accelerating growth brought the city to roughly 260.000 inhabitants in 2014.