diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..afed073
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.csv
diff --git a/python/muell.py b/python/muell.py
index ba19ee9..d550375 100644
--- a/python/muell.py
+++ b/python/muell.py
@@ -69,6 +69,19 @@ def init(key, modus, host, headers):
 
     return name, value
 
+def read_file(jahr):
+	''' Liest Daten aus muell<jahr>.csv und liefert ggf. Ergebnis zurück'''
+	
+	antwort_liste = None
+	try:
+		f = open(f'muell{jahr}.csv', 'rb')
+		antwort = str(f.read())
+		antwort_liste = antwort[antwort.find('Biom'):].strip("'").replace('\\n', '\n').split('\n')
+	except FileNotFoundError:
+		pass
+        
+	return antwort_liste
+	
 # Variablen
 key = 'e21758b9c711463552fb9c70ac7d4273'
 modus = 'd6c5855a62cf32a4dadbc2831f0f295f'
@@ -106,35 +119,31 @@ muell_arten = [
     'Schadstoffmobil',
 ]
 
-tomorrow = (datetime.now() + timedelta(1)).strftime('%d.%m.%Y')
-
 # __main__
-config = readConfig()
-postdata['f_id_kommune'] = config['kommune']
-postdata['f_id_strasse'] = config['strasse']
-
-(name, value) = init(key, modus, host, headers)
-if name != None and value != None:
-    postdata[name] = value
-
-http = httplib2.Http()
-(resp, content) = http.request(url, "POST", headers = headers, body = urllib.parse.urlencode(postdata))
-
-antwort = str(content)
-antwort_liste = antwort[antwort.find('Biom'):].strip("'").replace('\\n', '\n').split('\n')
-
-if antwort_liste[0] == '':
-    # Keine vernünftigen Daten, ergo mal gucken, was in der Datei steht
-    try:
-        f = open('muell.csv', 'rb')
-        antwort = str(f.read())
-        antwort_liste = antwort[antwort.find('Biom'):].strip("'").replace('\\n', '\n').split('\n')
-    except FileNotFoundError:
-        pass
+antwort_liste = read_file(current_year)
+if antwort_liste == None:
+    # Keine vernünftigen Daten, ergo mal gucken, was die Webseite ergibt
+	config = readConfig()
+	postdata['f_id_kommune'] = config['kommune']
+	postdata['f_id_strasse'] = config['strasse']
+
+	(name, value) = init(key, modus, host, headers)
+	if name != None and value != None:
+		postdata[name] = value
+
+	http = httplib2.Http()
+	(resp, content) = http.request(url, "POST", headers = headers, body = urllib.parse.urlencode(postdata))
+
+	antwort = str(content)
+	f = open(f'muell{current_year}.csv', 'wb')
+	f.write(content)
+	f.close()
+	antwort_liste = antwort[antwort.find('Biom'):].strip("'").replace('\\n', '\n').split('\n')
 
 daten = set(antwort_liste)
 
 for datum in daten:
+    tomorrow = (datetime.now() + timedelta(1)).strftime('%d.%m.%Y')
     datum = datum.split(';')
     l_muell = get_index_positions(datum, tomorrow)
     if len(l_muell) > 0: