void hbars() {
   double alice_offline[] = {6e7, 2e8, 5e8};
   double frib_offline[] = {1e6, 1e7, 2e7};
   double eic_offline[] = {150e3, 2.9e6, 1e8};
   double clas12_offline[] = {250e6, 500e6, 500e6};
   double gluex_offline[] = {90e6, 200e6, 400e6};
   double star_offline[] = {150e6, 400e6, 400e6 };
   double sphenix_offline[] = {60e6, 500e6, 750e6};

   TH1F *halice = new TH1F("halice","ALICE offline cpu-hr/yr", 
   T->Draw("Division>>hDiv","","goff");
   TH1F *hDiv   = (TH1F*)gDirectory->Get("hDiv");
   hDiv->SetStats(0);
   TH1F *hDivFR = (TH1F*)hDiv->Clone("hDivFR");
   T->Draw("Division>>hDivFR","Nation==\"FR\"","goff");
   hDiv->SetBarWidth(0.5);
   //hDiv->SetBarOffset(0.1);
   hDiv->SetFillColor(49);
   //TH1 *h1 = hDiv->DrawCopy("bar2");
   hDivFR->SetBarWidth(0.5);
   //hDivFR->SetBarOffset(0.1);
   hDivFR->SetFillColor(50);
   //TH1 *h2 = hDivFR->DrawCopy("bar2,same");

   THStack *a = new THStack("a","Stacked histograms");
   a->Add(hDiv);
   a->Add(hDivFR);
   a->Draw("bar2");
  
   TLegend *legend = new TLegend(0.55,0.65,0.76,0.82);
   legend->AddEntry(h1,"All nations","f");
   legend->AddEntry(h2,"French only","f");
   legend->Draw();
   
   c1->cd();
   delete f;
}