Imita.db has a good representativeness as far as the number of companies in the universe of Italian joint-stock companies is concerned, with shares varying from 10 per cent in 1960 to about 50 per cent in 1921. Representativeness in terms of capital is decidedly higher.     In this section, for each benchmark year, you can find some key figures on number of companies in the sample, disaggregated by sector of activity (Company); on the number of administrators (Directors), and on the number of balances (Balance sheets).