Ramat Gan (Hebrew: רָמַת גַּן‎) is a city in the Tel Aviv district, Israel, which borders the cities of Tel Aviv, Giv'atayim, and Bnei Brak. It houses Israel's national soccer stadium, Bar-Ilan University, an advanced medical center (Sheba Medical Center), and a national park. It is also the home of one of the world's major diamond exchanges, in which Israel's tallest building, the Moshe Aviv Tower, is located. Ramat Gan was established in 1921 as a moshav, a communal settlement, with a focus on agriculture. After commercial and population expansion, it was declared a city in 1950. As of 2004, Ramat Gan had 127,400 residents, on an area of 12,000 dunams (12 km²). The population was growing at a rate of 0.7% per annum. According the Israel Central Bureau of Statistics, as of 2001, Ramat Gan's socioeconomic ranking stood at 8 out of 10 (high). 70.9% of twelfth grade students received a matriculation certificate in 2000. In that year, the average wages in Ramat Gan were 6,995 NIS.