You don't need to read complete Dawn. First page, opinion page, editorial, final 3 pages(International Affairs) and special pages on different days like yellow pages are important and related.
It depends, how you feel easy, its better to note down important events but as for as opinion is concerned it forms and refines your opinion.
Data and statistics can be obtained from internet from various sources some of these are here:
http://www.gfmag.com/gdp-data-countr...#axzz2MUqjTh85
http://www.pbs.gov.pk/
http://www.sbp.org.pk/
http://www.moodys.com
Google GDP chart
http://www.tradingeconomics.com/