However, a VoxPop study found that 80% of those registered on the DNCL had noticed a reduction in calls, while 13% had seen an increase. The study concluded that the most likely explanation for the increase was due to timing of the launch of the DNCL with the financial crisis of 2007–2010 which was hitting American and other foreign companies harder than Canadian, and where unscrupulous telemarketers that did not care about Canadian laws were using random dialers to find new business.