take eurostat year for transport demand

scripts/build_transport_demand.py

@@ -26,7 +26,7 @@ logger = logging.getLogger(__name__)
 def build_nodal_transport_data(fn, pop_layout, year):
     # get numbers of car and fuel efficiency per country
     transport_data = pd.read_csv(fn, index_col=[0, 1])
-    transport_data = transport_data.xs(min(2015, year), level="year")
+    transport_data = transport_data.xs(year, level="year")
 
     # break number of cars down to nodal level based on population density
     nodal_transport_data = transport_data.loc[pop_layout.ct].fillna(0.0)