Only about 20 individual Republicans chose not to. Those 20 or so representatives did what they thought was right, but it is also not wrong to compromise and live to fight another day.
Considering the bill could not pass, it had to be at least 25 or 30.
Many said he lost 20+ on BOTH sides of the ideological spectrum in the caucus.
The Republicans, alone, appear unable to advance legislation.
Whereas Democrats know how to crack the whip and obtain 100% of their caucus whenever they need it.