yearmonth	created	closed
2005-11-03	75	25
2005-12-03	12	15
2006-01-03	26	16
2006-02-03	21	11
2006-03-03	15	28
2006-04-03	100	52
2006-05-03	45	37
2006-06-03	180	159
2006-07-03	43	45
2006-08-03	73	72
2006-09-03	57	43
2006-10-03	37	40
2006-11-03	21	19
2006-12-03	31	31
2007-01-03	23	38
2007-02-03	172	76
2007-03-03	254	179
2007-04-03	58	48
2007-05-03	151	150
2007-06-03	144	133
2007-07-03	62	51
2007-08-03	54	48
2007-09-03	67	81
2007-10-03	88	105
2007-11-03	53	62
2007-12-03	81	39
2008-01-03	100	63
2008-02-03	173	164
2008-03-03	165	158
2008-04-03	152	115
2008-05-03	135	111
2008-06-03	132	143
2008-07-03	107	101
2008-08-03	77	80
2008-09-03	107	101
2008-10-03	273	189
2008-11-03	199	208
2008-12-03	86	79
2009-01-03	136	105
2009-02-03	293	185
2009-03-03	201	168
2009-04-03	132	117
2009-05-03	175	182
2009-06-03	245	237
2009-07-03	103	100
2009-08-03	223	172
2009-09-03	335	196
2009-10-03	266	208
2009-11-03	223	207
2009-12-03	147	135
2010-01-03	239	148
2010-02-03	218	266
2010-03-03	380	375
2010-04-03	189	194
2010-05-03	207	156
2010-06-03	210	229
2010-07-03	120	115
2010-08-03	200	186
2010-09-03	280	239
2010-10-03	147	164
2010-11-03	216	200
2010-12-03	145	122
2011-01-03	187	231
2011-02-03	174	206
2011-03-03	220	143
2011-04-03	180	130
2011-05-03	243	184
2011-06-03	91	78
2011-07-03	154	129
2011-08-03	155	149
2011-09-03	290	179
2011-10-03	182	267
2011-11-03	280	239
2011-12-03	159	133
2012-01-03	197	241
2012-02-03	159	187
2012-03-03	242	230
2012-04-03	228	204
2012-05-03	251	189
2012-06-03	247	208
2012-07-03	229	182
2012-08-03	231	177
2012-09-03	189	152
2012-10-03	324	322
2012-11-03	248	246
2012-12-03	121	122
2013-01-03	195	184
2013-02-03	275	227
2013-03-03	216	177
2013-04-03	207	160
2013-05-03	247	263
2013-06-03	219	171
2013-07-03	155	139
2013-08-03	145	102
2013-09-03	288	233
2013-10-03	414	281
2013-11-03	285	341
2013-12-03	198	206
2014-01-03	458	303
2014-02-03	383	340
2014-03-03	456	348
2014-04-03	337	232
2014-05-03	435	453
2014-06-03	359	222
2014-07-03	281	219
2014-08-03	319	299
2014-09-03	238	193