Will Republicans vote for Trump

As Trump looks more and more likely to win the Republican nomination, the question is will Republicans vote for him as a lesser evil to Clinton?

538 has an interesting looks at which elections saw the most defections from a party’s presidential candidate.

The top 10 in order are:

1. 33% of Democrats defected in 1980 to Reagan
2. 33% of Democrats defected in 1972 to Nixon
3. 27% of Republicans defected in 1992 to Clinton and Perot
4. 26% of Democrats defected in 1984 to Reagan
5. 26% of Democrats defected in 1968 Nixon and Wallace
6. 23% of Democrats defected in 1952 to Eisenhower
7. 23% of Democrats defected in 1992 to Perot/Bush
8. 20% of Republicans defected in 1964 to LBJ
9. 19% of Republicans defected in 1996 to Clinton
10. 17% of Democrats defected in 1998 to Bush

The last four elections have had low levels of defections – under 15%. Will 2016 break the trend?