<Tr> <Td> NPR / PBS NewsHour / Marist </Td> <Td> June 21 </Td> <Td> June 25 </Td> <Td> 17% </Td> <Td> 17 </Td> <Td> 55% </Td> <Td> 55 </Td> </Tr> <Tr> <Td> The Economist / YouGov </Td> <Td> June 18 </Td> <Td> June 20 </Td> <Td> 28% </Td> <Td> 28 </Td> <Td> 45% </Td> <Td> 45 </Td> </Tr> <Tr> <Td> NBC News / Wall Street Journal </Td> <Td> June 17 </Td> <Td> June 20 </Td> <Td> 16% </Td> <Td> 16 </Td> <Td> 48% </Td> <Td> 48 </Td> </Tr> <Tr> <Td> Morning Consult / Politico </Td> <Td> June 15 </Td> <Td> June 19 </Td> <Td> 35% </Td> <Td> 35 </Td> <Td> 50% </Td> <Td> 50 </Td> </Tr>

When does the new healthcare bill take effect