29% of economic activity consisted of trade in goods and services, while the industrial sector contributed 23% of economic activity. The per capita income for Binjai was 3.3m rupiah, below the average for North Sumatera Province as a whole, which stood at 4.9m rupiah. The most important agricultural sector is rambutan production, which covered 4.25 km2 with a production capacity of 2,400 tons per year. At present, the industry consists solely of the sale of fresh rambutan fruit; there is plenty of scope to modernise this industry, for instance by the introduction of canning processes and more sophisticated marketing. There are four traditional markets in Binjai serving buyers and sellers from both Binjai and kabupaten Langkat. These are: Tavip, Kebun Lada, Brahrang and Rambung markets. There are also several modern shopping centres, including Suzuya, Mini Market Tahiti, Toserba Ramayana, the Ramayana Mall, Asia King and Binjai Supermall. General Sudirman Street and Ahmad Yani Streets are the main shopping avenues, while the biggest and food court in Binjai is Bangkatan with Chinese and Indonesian food as specialities. Education As of 2005, there are 154 primary schools, 37 middle schools, 9 Islamic middle schools, 31 high schools and 10 Islamic high schools, 4 academy and 5 university. There are approximately 78,000 children attending these 241 schools. Transport The major forms of public transport within the city are becak, a three-wheeled motorised vehicle, and small minibusses called "Sudako". Aside from road transport out of the city, there is also a commuter train Sri Lelawangsa connecting Binjai with Medan; the continuing line to Kuala, Langkat is disused and no longer functional. The nearest airport is Medan's Kuala Namu International Airport, while a direct toll-road connection to the nearest port is currently under construction. Other items of interest An important icon for the city is the Struggle of 1945 Statue, which welcomes visitors from outside the city. Binjai also used to have as historic water fountain built by the Dutch, which was used a water source for the local population, however, this was demolished and replaced by shops several years ago. Binjai is also an important transit point for visitors to Bukit Lawang, in the Gunung Leuser National Park, an important site for the conservation of the red orangutan. Bukit Lawang is located 68 km west of Binjai. Binjai is also the site of a nationally important military cemetery. There are three large hospitals serving