Private sector employees amount to 1.8 million, out of which around a third with tertiary education. The average cost of a private sector employee per hour was €25.10 in 2004. , average purchasing power-adjusted income levels are similar to those of Italy, Sweden, Germany, and France. In 2006, 62% of the workforce worked for enterprises with less than 250 employees and they accounted for 49% of total business turnover and had the strongest rate of growth. The female employment rate is high. Gender segregation between male-dominated professions and female-dominated professions is higher than in the US. The proportion of part-time workers was one of the lowest in OECD in 1999. In 2013, the 10 largest private sector employers in Finland were Itella, Nokia, OP-Pohjola, ISS, VR, Kesko, UPM-Kymmene, YIT, Metso, and Nordea.