The graph displays the amount of worldwide congresses in three cities.
Overall, it is clear that, the number of conferences in City A and City B fluctuated over the period. While global meetings in City C shows the upward trend.
In 1965, figure of global meetings in City A was the highest among the three cities at 35, whereas intercontinental assemblies in City B was lower at approximately 30. After the highest rate, City A meetings plummet halved by 15. However, City A experienced small fluctuate from 1985 to 2005. In 2010, the amount of gatherings in town decreased considerably at 20. Unlike city A, in City B no major change occurred throughout the period. At the three decades, amount of conferences remained above at 25. The final number of congresses in City B was at 25.
Moreover, although showed the lowest rate, City C grew consistently over 20 year. In 1995, City C reached a peak at 30. After the gradual decline, City C rise quickly. The final number of conferences in City C was at 30.