countOfBillsByState = {
let counts = d3.rollup(bills, v => v.length, d => d["State"]);
for (let i = 0; i < allUSStates.length; i++) {
if (!counts.get(allUSStates[i])) {
counts.set(allUSStates[i], 0);
}
}
counts.title = "Anti-trans bills by state"
return counts;
}