Upper part of the diagram: volume-weighted average price in cents; lower part of the diagram (blue bars): trading volume (number of shares). Legend: Liberal Plurality (LIB), Conservative Plurality (CPC). Click on the chart to download the PDF version of this chart for high-quality printing. Journalists and researchers please enquire about our specialized data dissemination service. UBC-ESM software © 2000 by Werner Antweiler.