Add airline, airport, and station stats

templates/trip/stats.html

@@ -42,12 +42,22 @@
     <div>
       Flight segments in {{ year }}: {{ year_stats.flight_count or 0 }}
       {% if year_stats.airlines %}
+      ({{ year_stats.airlines | count }} airlines)
       [ by airline:
         {% for airline, count in year_stats.airlines.most_common() %}
           {{ airline }}: {{ count }}{% if not loop.last %},{% endif %}
         {% endfor %} ]
       {% endif %}
     </div>
+    {% if year_stats.airports %}
+    <div>
+      Airports used in {{ year }}: {{ year_stats.airports | count }}
+      [ by airport:
+        {% for airport, count in year_stats.airports.most_common() %}
+          {{ airport }}: {{ count }}{% if not loop.last %},{% endif %}
+        {% endfor %} ]
+    </div>
+    {% endif %}
     {% if year_stats.co2_kg %}
       <div>Total CO₂: 
         {% if year_stats.co2_kg >= 1000 %}
@@ -70,6 +80,15 @@
       {% endif %}
     {% endif %}
     <div>Trains segments in {{ year }}: {{ year_stats.train_count or 0 }}</div>
+    {% if year_stats.stations %}
+    <div>
+      Stations used in {{ year }}: {{ year_stats.stations | count }}
+      [ by station:
+        {% for station, count in year_stats.stations.most_common() %}
+          {{ station }}: {{ count }}{% if not loop.last %},{% endif %}
+        {% endfor %} ]
+    </div>
+    {% endif %}
     <div>Total distance in {{ year}}: {{ format_distance(year_stats.total_distance or 0) }}</div>
     {% if year_stats.distances_by_transport_type %}
     {% for transport_type, distance in year_stats.distances_by_transport_type.items() %}