NASHVILLE (AP) — Four Republicans have spent $33 million-plus in Tennessee's primary for governor, unleashing about $33 million of personal wealth.

Reports through June show ex-state economic development commissioner Randy Boyd has added $14.2 million in personal cash and spent $15.7 million since the race began.

Congresswoman Diane Black has added $10.3 million and spent $10.3 million. Businessman Bill Lee has contributed $5.3 million, spending $4.7 million. House Speaker Beth Harwell has loaned $3.1 million, spending $2.6 million.

Aside from personal money, they have raised $12.9 million. Each has $2.6 million to $3.6 million left.

For Democrats, ex-Nashville Mayor Karl Dean has contributed $743,000 and spent $3.1 million, with $1.4 million left. House Minority Leader Craig Fitzhugh has loaned $766,000, spent $624,700 and ended with $467,300 remaining.

The primary election is Aug. 2.