The given table compares the number of people working as researchers in technology per million people in five different countries during the period from 2003 to 2007.
Looking at the data in detail, there was a high group includes 3 countries ( Poland, Mexico, Moldova). The figure of Poland reached at 285 in the first year, ranking first place. Then, these number fell slightly to 226 in the final year, still placing first one. In contrast, the data of Mexico rosé gradually from 147 to 242 before decreasing in 2006 and ending at 183 in 2007. Notably, the number of researchers in Moldova placed third at 103 at the beginning before declining minimally and peaking at 114 in 2007.
Concerning the low group, the figure of Turkey started at 47, ranking the fourth. After increasing dramatically during the period, these number standed at 106 in the final year. In addition, the number of researchers in Togo began at 18, making the least number of people working as researchers. Although this data witnessed a minimal growth, its number still remained stable around 18 millions during whole period.