What evidence is there that insider trading is worse in Canada than in other countries?

Question $3$ options:

Companies that are the targets of a takeover bid in Canada see the price of their stock rise before the announcement occurs, while in other countries the stock price rises at the time the takeover is announced.

Companies that are the targets of a takeover bid in Canada see the price of their stock rise at the time the takeover is announced, while in other countries the stock price rises before the announcement occurs.

Many individuals are convicted and sentenced to prison terms for insider trading in Canada.

Government regulators publish reports about insider trading annually, and Canada's incident numbers are usually higher than those in other countries.