A statistical report published by the ISI in March 2014 indicated the following data on internet use.

year 2005 2010 2013

World population (billions) 6.5 6.9 7.1

using the internet 16% 30% 39%

users in the developing world 8% 21% 31%

users in the developed world 51% 67% 77%

Table A: Percentages of people using the internet for the years 2005, 2010 and 2013.

year 2005 2010 2013

Africa 2% 10% 16%

Americas 36% 49% 61%

Arab states 8% 26% 38%

Asia & pacific 9% 23% 32%

CIS 10% 34% 52%

Europe 46% 67% 75%

Table B: Percentages of people using the internet in different regions.

1. About 75% of the world's population in 2013 were from developing countries. Show that the figures for internet use are consistent with this.

2. Use the data in Table B to show, in a suitable graphical form, internet use in 2013 by region.

3. Represent the data in Table B in a suitable graphical form to allow comparisons to be made of rates of growth of internet use in different regions.

4. Comment on the usefulness or otherwise of the regional groupings used in Table B.