... adding histograms for each country

docs/data/histograms/United States/AR5186C.json

@@ -0,0 +1 @@
+{"batchcode": "AR5186C", "histograms": [{"batchcodes": ["AR5186C"], "histogram": {"No adverse event": 146, "Wrong product administered": 125, "Product temperature excursion issue": 106, "Poor quality product administered": 103, "Expired product administered": 7, "Incorrect dose administered": 5, "Product storage error": 5, "Product administered to patient of inappropriate age": 3, "Circumstance or information capable of leading to medication error": 1, "Product use issue": 1}}]}