Source of Graph: Singapore Statistics. (2010, April 18). Statistics: Social Indicators. Retrieved from http://www.singstat.gov.sg/stats/charts/socind.html
The graph shows information about mobile phone subscribers in Singapore.
(a) Give a meaningful title to the line graph.
(b) In one sentence or a short paragraph, what does the graph tell us about the subscription of mobile phone services from the year 1999 to year 2009?