Sept 15 (Reuters) - The Czech central bank (CNB) released on Friday the following data on its monetary base: MONETARY BASE END-AUG 06 END-JULY 06 END-AUG 05 (in CZK bln) CNB monetary base 328.0 326.7 306.4 currency 302.9 300.4 273.5 bank reserves 25.1 26.2 32.9 mandatory reserves 35.3 35.1 32.7 (Reporting by Mirka Krufova in Prague) ((For past economic data and analysts' forecasts, double click on <CZ/ECON01> or <CZ/ECON15>)) ((prague.newsroom@reuters.com; Reuters Messaging: mirka.krufova.reuters.com@reuters.net; +420 224 190 477)) Keywords: ECONOMY CZECH MONEY