<Tr> <Th_colspan="2"> Failure rates (first year) </Th> </Tr> <Tr> <Th> Perfect use </Th> <Td> 0.3% </Td> </Tr> <Tr> <Th> Typical use </Th> <Td> 9% </Td> </Tr> <Tr> <Th_colspan="2"> Usage </Th> </Tr>

When did the birth control patch come out