Passage: As the first part of a 10-year Road Sector Development Program, between 1997 and 2002 the Ethiopian government began a sustained effort to improve its infrastructure of roads. As a result, as of 2002 Ethiopia has a total (federal and regional) 33,297 km of roads, both paved and gravel. The share of federally managed roads in good quality improved from 14% in 1995 to 31% in 2002 as a result of this program, and to 89% in 2009 the road density increased from 21 km per 1000 km2 (in 1995) to 889 km; per 1000 km2 (in 2009) however, this is much greater than the average of 50 km per 1000 km2 for Africa.
How many percent did road quality increase by from 2002 to 2009 as a result of the Road Sector Development Program? How many percent did the roads improve from 1995 to 2002 as a result of the 10-year Road Sector Development Program? Which has a higher road density, Ethiopia or the Africa average?