In the US, gambling brings in $60 billion annually, largely to the underworld. In Great Britain, about $5.5 billion are bet each year, with the government taking around $450 million.
In France, citizens wagered $2.6 billion yearly. In Monaco, the yearly take is $30-$40 billion. In Belgium, total turnover is $500 million. In the Netherlands, it is $300 million. In West Germany, it is $4 billion. In Italy, $600 million. In Japan, $14 billion. In Canada, $3 billion.