text: pect to the social and administrative sciences; also noteworthy Is the low percentage corresponding to the area of engineering and technology. The ratio between the number of graduates and students at each of the levels has remained steady, annt.!al variations, 251 In the speclallsatlons, master's level and 141 at the doctorate level. the total of w lth s I I ght 151 at the The ratio of total post-graduate to total bachelor courses has remained steady In the last ten years, being close to 31 with a slight upward swing. By levels, the ratio of total specializa­ tion to total bachelor courses of study was close to 11 In 1983; the ratio of total master's courses to total bachelor courses that same year was around 1.71, and the ratio of total doctorate to total bachelor courses was a minimum of 0.11. The number of programs offered every year In the special lzatlon level currently exceeds 300, level around 850, and at the doctorate level, calculated closely to 140 programs. 162 the country at at the master's the f lgure Is The average number of students registered by program Is 25 for special lzatlon, 22 for a master's degree and about 7 for a doctorate degree. The supply of post graduates runs close to the demand only In certain biomedical specialties. and It lated that In areas I Inked to the country's Industrial ment, particularly engineering, the demand exceeds the between 10 to 20 times. Social communication subsystem: market's Is calcu­ develop­ supply by The primary means available to the subsystem for Its pur­ poses are I lbrarles. publ lshers of textbooks and other bOOks, mass communication media, scientific and technologic! museums, and especially zoos and botanical gardens. The number of I lbrarles Is Important because It lndlcltes 
analysis: The text appears to be discussing the statistics and trends of a country's education system, specifically the post-graduate programs and the supply and demand of graduates in certain fields. The mention of engineering, technology, and biomedical specialties suggests a focus on science and technology. The text also touches on the role of libraries, publishers, and mass communication media in the education system, hinting at a connection to the broader social and economic context.