Alrighty, here’s the breakdown in percentages. Our folks that fly the 757 also fly the 767 (there is no 763 vs. 764 pilots).
Bus/737: CA - 26.7% FO - 29.0% Total - 55.7%
756: CA - 5.5% FO - 8.2% Total - 13.7%
777/787: CA - 10.5% FO - 19.9% Total - 30.4%
Total pilots ~ 14,850