Crime: human trafficking and migrant smuggling

In which countries most criminals are caught for human trafficking or smuggling migrants into the country? You might add that in some countries it's easy to bribe your way out of being part of these statistics. Based on crime rate. Source: UNODC. Additionally, yes Trump gets less 'Mexicans' into the country in the ratio of person/100,000 than any of the ones mentioned here. Should we worry about his (wall) business skills?