diff --git a/src/HowBadIsMyBatch.ipynb b/src/HowBadIsMyBatch.ipynb
index 3c88ed5196e..16be1d25e6e 100644
--- a/src/HowBadIsMyBatch.ipynb
+++ b/src/HowBadIsMyBatch.ipynb
@@ -107,21 +107,9 @@
     "from SymptomByBatchcodeTableFactory import SymptomByBatchcodeTableFactory\n",
     "\n",
     "symptomByBatchcodeTable = SymptomByBatchcodeTableFactory.createSymptomByBatchcodeTable(international_VAERSVAX_Covid19, international_VAERSSYMPTOMS)\n",
-    "# symptomByBatchcodeTable.to_pickle('tmp/symptomByBatchcodeTable.pkl')\n",
     "symptomByBatchcodeTable"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "b5a70fa0",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# symptomByBatchcodeTable = pd.read_pickle('tmp/symptomByBatchcodeTable.pkl')\n",
-    "# symptomByBatchcodeTable"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -151,31 +139,41 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "5e2a0a30",
+   "id": "a57e0fd5",
    "metadata": {},
    "outputs": [],
    "source": [
-    "batchcodes = international_VAERSVAX_Covid19['VAX_LOT'].dropna().drop_duplicates().to_list()\n",
-    "batchcodes"
+    "from HtmlUtils import getCountries\n",
+    "from MultiIndexValuesProvider import MultiIndexValuesProvider\n",
+    "from HistogramDescriptionPersister import HistogramDescriptionPersister\n",
+    "import shutil\n",
+    "\n",
+    "countries = getCountries(international_VAERSVAX_Covid19)\n",
+    "\n",
+    "for count, country in enumerate(countries, start = 1):\n",
+    "    # FK-TODO: use https://github.com/tqdm/tqdm\n",
+    "    print(f'saving histograms for country {count}/{len(countries)}: {country}')\n",
+    "    dictByBatchcodeTable4Country = dictByBatchcodeTable[dictByBatchcodeTable['COUNTRY'] == country]\n",
+    "    batchcodes = MultiIndexValuesProvider.getValues(dictByBatchcodeTable4Country.index)\n",
+    "    batchcodes = {batchcode for batchcode in batchcodes if batchcode != 'nan'}\n",
+    "    directory = f'../docs/data/histograms/{country}'\n",
+    "    shutil.rmtree(directory, ignore_errors = True)\n",
+    "    histogramDescriptionPersister = HistogramDescriptionPersister(directory)\n",
+    "    histogramDescriptionPersister.saveHistogramDescriptionsForBatchcodes(\n",
+    "        batchcodes,\n",
+    "        dictByBatchcodeTable4Country,\n",
+    "        progress = lambda count, size, batchcode: print(f'{count}/{size}: {batchcode}'))"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "6e6efc19",
+   "id": "5e2a0a30",
    "metadata": {},
    "outputs": [],
    "source": [
-    "from HistogramDescriptionPersister import HistogramDescriptionPersister\n",
-    "import shutil\n",
-    "\n",
-    "directory = '../docs/data/histograms'\n",
-    "shutil.rmtree(directory)\n",
-    "histogramDescriptionPersister = HistogramDescriptionPersister(directory)\n",
-    "histogramDescriptionPersister.saveHistogramDescriptionsForBatchcodes(\n",
-    "    batchcodes,\n",
-    "    dictByBatchcodeTable,\n",
-    "    progress = lambda count, size, batchcode: print(f'{count}/{size}: {batchcode}'))"
+    "# batchcodes = international_VAERSVAX_Covid19['VAX_LOT'].dropna().drop_duplicates().to_list()\n",
+    "# batchcodes"
    ]
   },
   {
@@ -215,9 +213,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "howbadismybatch-venv",
+   "display_name": "howbadismybatch-venv-kernel",
    "language": "python",
-   "name": "python3"
+   "name": "howbadismybatch-venv-kernel"
   },
   "language_info": {
    "codemirror_mode": {