This represented approximately 48% of the Kinki region. The per capita income was ¥3.0 million, seventh in the nation. Commercial sales the same year was ¥60.1 trillion. Overshadowed by such globally renowned electronics giants as Panasonic and Sharp, the other side of Osaka's economy can be characterized by its Small and Medium Enterprises (SMEs) activities. The number of SMEs based in Osaka in 2006 was 330,737, accounting for 99.6% of the total number of businesses in the prefecture. While this proportion is similar to other prefectures (the average nationwide was 99.7%), the manufactured output of the SMEs amounted to 65.4% of the total within the prefecture, a rate significantly higher than Tokyo's 55.5%, or Kanagawa's 38.4%. One model from Osaka of serving the public interest and restimulating the regional economy, combined with industry-education cooperation efforts, is the Astro-Technology SOHLA, with its artificial satellite project. Having originally started from a gathering of Higashiosaka based SMEs, Astro-Technology SOHLA has not only grown into a Kansai region-wide group but has also won support from the government, through technology and material support from Japan Aerospace Exploration Agency (JAXA), and financial support from NEDO. The Osaka Securities Exchange, specializing in derivatives such as Nikkei 225 Futures, is based in Osaka. There are many electrical, chemical, pharmaceutical, heavy industry, food, and housing companies in Osaka Prefecture. According to the 2005 Population Census of Japan, Osaka prefecture has a population of 8,817,166, an increase of 12,085, or 0.14%, since the Census of year 2000. As of 2013 this prefecture has about 200,000 ethnic Korean persons, the largest such population of any prefecture in Japan. Osaka City. As of 2013 most ethnic Korean children attend ordinary Japanese public schools, although some Korean schools operated by the Chongryon and classes for ethnic Koreans had opened in the prefecture. During the Japanese rule of Korea many ethnic Koreans came to the Osaka area to look for work. Many people from Jeju came to the Osaka area after a 1922 ferry line between Osaka and Jeju opened. During World War II Japanese authorities forced additional ethnic Koreans to move to the Osaka area. Public elementary and junior high schools in the prefecture are operated by the municipalities. Public high schools are operated by the Osaka Prefectural Board of Education.